1 00:01:20,713 --> 00:01:22,649 >> GOOD AFTERNOON. 2 00:01:22,649 --> 00:01:24,184 WITH LESS THAN THREE WEEKS TO 3 00:01:24,184 --> 00:01:27,287 GO, NASA'S LUCY'S MISSION TEAM 4 00:01:27,287 --> 00:01:29,355 IS MAKING FINAL PREPARATIONS FOR 5 00:01:29,355 --> 00:01:31,558 THE SPACECRAFT'S OCTOBER 16 6 00:01:31,558 --> 00:01:34,661 LAUNCH, EMBARKING ON A 12 YEAR 7 00:01:34,661 --> 00:01:40,366 MISSION TO STUDY JUPITER'S 8 00:01:40,366 --> 00:01:42,669 TROJAN ASTEROIDS. 9 00:01:42,669 --> 00:01:47,841 I'M YOUR HOST, ALANNA JOHNSON IN 10 00:01:47,841 --> 00:01:48,942 WASHINGTON D.C. 11 00:01:48,942 --> 00:01:50,710 LINKED IN FROM SEVERAL LOCATIONS 12 00:01:50,710 --> 00:01:52,345 ACROSS THE COUNTRY THROUGH A 13 00:01:52,345 --> 00:01:54,981 VIRTUAL PLATFORM, I'M JOINED BY 14 00:01:54,981 --> 00:01:56,649 A PANEL OF EXPERTS TO GIVE YOU A 15 00:01:56,649 --> 00:01:58,318 BRAD OVERVIEW OF THE LUCY 16 00:01:58,318 --> 00:02:00,320 MISSION. 17 00:02:00,320 --> 00:02:02,856 LORI GLAZE, DIRECTOR OF NASA'S 18 00:02:02,856 --> 00:02:03,456 PLANETARY SCIENCE DIVISION AT 19 00:02:03,456 --> 00:02:08,228 NASA HEADQUARTERS IN WASHINGTON, 20 00:02:08,228 --> 00:02:12,532 HAL LEVISON, KEITH NOLL, LUCY 21 00:02:12,532 --> 00:02:15,168 PROJECT SCIENTIST, RICH LIPE, 22 00:02:15,168 --> 00:02:18,104 LOCKHEED MARTIN SPACECRAFT 23 00:02:18,104 --> 00:02:21,374 MANAGER, AND DONYA 24 00:02:21,374 --> 00:02:23,576 DOUGLAS-BRADSHAW, LUCY'S PROJECT 25 00:02:23,576 --> 00:02:24,344 MANAGER. 26 00:02:24,344 --> 00:02:26,446 AFTER A BRIEF OPENING REMARKS 27 00:02:26,446 --> 00:02:28,081 FROM EACH PANEL MEMBER, WE'LL 28 00:02:28,081 --> 00:02:30,183 TAKE QUESTIONS ON-LINE AND FROM 29 00:02:30,183 --> 00:02:31,718 MEMBERS OF THE MEDIA. 30 00:02:31,718 --> 00:02:34,020 IF YOU ARE A MEMBER OF THE MEDIA 31 00:02:34,020 --> 00:02:37,757 ON OUR TELECOM LINES, PRESS STAR 32 00:02:37,757 --> 00:02:40,293 1 TO BE PUT INTO THE CUE AT ANY 33 00:02:40,293 --> 00:02:41,394 TIME. 34 00:02:41,394 --> 00:02:43,596 THOSE WATCHING US ON-LINE CAN 35 00:02:43,596 --> 00:02:46,332 ASK QUESTIONS USE CAN THE 36 00:02:46,332 --> 00:02:48,535 #ASKNASA. 37 00:02:48,535 --> 00:02:51,070 NOW, TO KICK OFF THE DISCUSSION, 38 00:02:51,070 --> 00:02:54,073 I WILL TURN IT OVER TO LORI 39 00:02:54,073 --> 00:02:54,607 GLAZE. 40 00:02:54,607 --> 00:02:56,910 >> THANK YOU SO MUCH, ALANNA. 41 00:02:56,910 --> 00:02:59,245 I AM SO EXCITED TO BE HERE TODAY 42 00:02:59,245 --> 00:03:01,581 AS WE REALLY BEGIN TO CLOSE IN 43 00:03:01,581 --> 00:03:03,883 ON THE LAUNCH OF THE LUCY 44 00:03:03,883 --> 00:03:05,652 MISSION THAT WILL BE THE FIRST 45 00:03:05,652 --> 00:03:07,854 EVER MISSION TO VISIT THE GROUP 46 00:03:07,854 --> 00:03:14,127 OF ASTEROIDS CALLED TROJANS THAT 47 00:03:14,127 --> 00:03:16,329 ARE LEADING AND TRAILING JUPITER 48 00:03:16,329 --> 00:03:20,400 IN ITS ORBIT AROUND THE SUN. 49 00:03:20,400 --> 00:03:21,568 SOME OF THE MOST IMPORTANT 50 00:03:21,568 --> 00:03:23,102 PLANETARY SCIENCE QUESTIONS WE 51 00:03:23,102 --> 00:03:26,773 ARE TRYING TO ANSWER ARE FOCUSED 52 00:03:26,773 --> 00:03:28,841 ON THE ORIGIN AND EVOLUTION OF 53 00:03:28,841 --> 00:03:30,710 THE SOLAR SYSTEM. 54 00:03:30,710 --> 00:03:32,478 ASTEROIDS AND OTHER SMALL BODIES 55 00:03:32,478 --> 00:03:34,581 ARE REALLY IMPORTANT KEYS TO 56 00:03:34,581 --> 00:03:36,783 UNDERSTANDING THAT HISTORY. 57 00:03:36,783 --> 00:03:38,651 AMAZINGLY, MANY OF THESE 58 00:03:38,651 --> 00:03:40,386 MISTEAROUS WORLDS HAVE BEEN 59 00:03:40,386 --> 00:03:42,388 ALTERED VERY LITTLE IN THE 60 00:03:42,388 --> 00:03:45,124 4.6 BILLION YEARS SINCE THEY 61 00:03:45,124 --> 00:03:46,793 FIRST FORMED. 62 00:03:46,793 --> 00:03:48,328 THEY ARE RELATIVELY PRISTINE 63 00:03:48,328 --> 00:03:54,167 STATE MAKES COMETS, ASTEROIDS 64 00:03:54,167 --> 00:03:56,936 WONDERFUL STORYTELLERS THAT 65 00:03:56,936 --> 00:03:59,806 PRESERVED CLUES ABOUT THE EARLY 66 00:03:59,806 --> 00:04:01,941 SOLAR SYSTEM. 67 00:04:01,941 --> 00:04:04,644 BY STUDYING THE TROJAN ASTEROIDS 68 00:04:04,644 --> 00:04:07,113 WE CAN GAIN MORE HISTORY INTO 69 00:04:07,113 --> 00:04:12,051 THE OUTER SOLAR SYSTEM. 70 00:04:12,051 --> 00:04:13,920 WE FIND ASTEROIDS ACROSS THE 71 00:04:13,920 --> 00:04:15,355 SOLAR SYSTEM, INCLUDING 72 00:04:15,355 --> 00:04:18,992 NEAR-EARTH ASTEROIDS THAT BRING 73 00:04:18,992 --> 00:04:21,594 THEM CLOSE TO EARTH, MAIN BELT 74 00:04:21,594 --> 00:04:30,837 ASTEROIDS THAT ORBIT THE SUN AND 75 00:04:30,837 --> 00:04:32,839 KYPER BELT. 76 00:04:32,839 --> 00:04:34,240 NOT ALL OF THESE ASTEROIDS ARE 77 00:04:34,240 --> 00:04:35,041 THE SAME. 78 00:04:35,041 --> 00:04:36,576 AND LUCY IS PART OF A COLLECTION 79 00:04:36,576 --> 00:04:38,778 OF AMBITIOUS MISSIONS TO STUDY 80 00:04:38,778 --> 00:04:41,414 THE DIVERSITY OF THESE ASTEROIDS 81 00:04:41,414 --> 00:04:43,082 POPULATIONS THAT WILL HELP US 82 00:04:43,082 --> 00:04:44,851 FILL IN MORE PIECES OF THAT 83 00:04:44,851 --> 00:04:46,819 COSMIC PUZZLE. 84 00:04:46,819 --> 00:04:48,788 IF I CAN GET THE SECOND GRAPHIC. 85 00:04:48,788 --> 00:04:51,758 IN ADDITION TO THE LUCY MISSION, 86 00:04:51,758 --> 00:04:53,626 WE ARE CURRENTLY OPERATING OR 87 00:04:53,626 --> 00:04:54,627 DEVELOPING SEVERAL OTHER 88 00:04:54,627 --> 00:04:56,162 MISSIONS TO EXPLORE THESE SMALL 89 00:04:56,162 --> 00:04:57,730 BODIES THROUGHOUT THE SOLAR 90 00:04:57,730 --> 00:04:59,165 SYSTEM. 91 00:04:59,165 --> 00:05:01,167 NEW HORIZONS WHICH IS SHOWN IN 92 00:05:01,167 --> 00:05:02,702 THE LOWER PANEL ON THE LEFT 93 00:05:02,702 --> 00:05:08,007 CONTINUES TO INVESTIGATE THE 94 00:05:08,007 --> 00:05:11,611 KYPER BELT AND AN OBJECT IN 95 00:05:11,611 --> 00:05:13,513 2019. 96 00:05:13,513 --> 00:05:15,048 WE ARE ALSO BRINGING SAMPLES OF 97 00:05:15,048 --> 00:05:16,716 NEAR EARTH ASTEROIDS BACK TO 98 00:05:16,716 --> 00:05:18,351 EARTH SO WE CAN USE OUR FULL 99 00:05:18,351 --> 00:05:20,019 LABORATORY CAPABILITIES TO 100 00:05:20,019 --> 00:05:22,155 UNDERSTAND THE ROLE OF ASTEROIDS 101 00:05:22,155 --> 00:05:24,791 IN DELIVERING WATER AND ORGANIC 102 00:05:24,791 --> 00:05:26,125 MOLECULES TO EARTH. 103 00:05:26,125 --> 00:05:27,994 IN THE CENTER OF THE BOTTOM ROW 104 00:05:27,994 --> 00:05:31,531 YOU CAN SEE THE OSIRIS REX 105 00:05:31,531 --> 00:05:34,267 SPACECRAFT. 106 00:05:34,267 --> 00:05:36,669 IT BEGAN ITS JOURNEY BACK TO 107 00:05:36,669 --> 00:05:39,205 EARTH EARLIER THIS YEAR AND WILL 108 00:05:39,205 --> 00:05:42,608 ARRIVE BACK IN 2023. 109 00:05:42,608 --> 00:05:44,844 IN CONCERT WITH OSIRIS-REx, WE 110 00:05:44,844 --> 00:05:47,246 ARE WORKING WITH THE JAPANESE 111 00:05:47,246 --> 00:05:50,116 SPACE AGENCY AND WILL EXCHANGE 112 00:05:50,116 --> 00:05:58,157 SAMPLES IN RETURN FOR SAMPLES. 113 00:05:58,157 --> 00:06:00,059 THE MISSION LAUNCHES NEXT YEAR 114 00:06:00,059 --> 00:06:03,463 AND WILL EXPLORE THE UNIQUE 115 00:06:03,463 --> 00:06:08,768 ASTEROID CALLED PSYCHE 16. 116 00:06:08,768 --> 00:06:16,242 IN CONTRAST TO OTHER ICY BODIES, 117 00:06:16,242 --> 00:06:22,915 SCIENTISTS BELIEVE IT CONTAINS 118 00:06:22,915 --> 00:06:25,351 NICKEL. 119 00:06:25,351 --> 00:06:26,452 WE ARE CURRENTLY DEVELOPING THE 120 00:06:26,452 --> 00:06:29,088 LATEST ASTEROID BOUND MISSION 121 00:06:29,088 --> 00:06:31,090 CALLED JANICE. 122 00:06:31,090 --> 00:06:33,626 IT WILL STUDY TWO BINARY 123 00:06:33,626 --> 00:06:36,362 ASTEROID SYSTEMS. 124 00:06:36,362 --> 00:06:38,364 THEY COMPOSE A THREAT TO EARTH. 125 00:06:38,364 --> 00:06:41,000 NASA'S VERY FIRST PLANETARY 126 00:06:41,000 --> 00:06:44,637 DEFENSE MISSION, DART, SHOWN IN 127 00:06:44,637 --> 00:06:46,406 THE MIDDLE PANEL IS GOING TO 128 00:06:46,406 --> 00:06:48,474 LAUNCH A MONTH AFTER LUCY IN 129 00:06:48,474 --> 00:06:52,578 NOVEMBER AND AIMS TO TEST 130 00:06:52,578 --> 00:06:54,747 PLANETARY DEFENSES. 131 00:06:54,747 --> 00:06:55,515 IT WILL BE THE FIRST 132 00:06:55,515 --> 00:06:56,849 DEMONSTRATION OF WHAT WE CALL 133 00:06:56,849 --> 00:07:11,531 THE CONETIC TECHNIQUE. 134 00:07:11,531 --> 00:07:13,399 IT WILL LEARN MORE TO HELP US 135 00:07:13,399 --> 00:07:16,035 BETTER PREPARE AND MITIGATE ANY 136 00:07:16,035 --> 00:07:18,671 DANGERS POSED TO EARTH. 137 00:07:18,671 --> 00:07:20,673 ALL OF THESE ARE INCREDIBLY 138 00:07:20,673 --> 00:07:22,175 INTERESTING DESTINATIONS. 139 00:07:22,175 --> 00:07:25,912 IN EACH CASE WE ARE EXPLORING 140 00:07:25,912 --> 00:07:28,781 PLACES NO SPACE HAS BEEN. 141 00:07:28,781 --> 00:07:30,750 WE KNOW THAT WHATEVER LUCY FINDS 142 00:07:30,750 --> 00:07:32,285 WILL GIVE US CLUES WITH THE 143 00:07:32,285 --> 00:07:34,153 FORMATION OF OUR SOLAR SYSTEM. 144 00:07:34,153 --> 00:07:35,822 NOW, I WOULD LIKE TO HANDLE IT 145 00:07:35,822 --> 00:07:37,690 OVER TO HAL TO TELL YOU MORE 146 00:07:37,690 --> 00:07:40,226 ABOUT THE LUCY SCIENCE. 147 00:07:40,226 --> 00:07:41,994 >> THANK YOU, LORI. 148 00:07:41,994 --> 00:07:43,429 I'M SURE YOU WOULD AGREE THAT 149 00:07:43,429 --> 00:07:48,701 LUCY IS THE CAUSE 150 00:07:48,701 --> 00:07:50,236 [INDISCERNIBLE]. 151 00:07:50,236 --> 00:07:51,671 I'M FROM THE SOUTHWEST RESEARCH 152 00:07:51,671 --> 00:07:53,306 INSTITUTE IN BOULDER. 153 00:07:53,306 --> 00:07:55,408 I'M THE LUCY PI. 154 00:07:55,408 --> 00:07:57,610 LUCY IS VISITING THE TROJAN 155 00:07:57,610 --> 00:07:59,712 ASTEROIDS OF JUPITER WHICH LEAD 156 00:07:59,712 --> 00:08:01,614 OR FOLLOW THE PLANET BY ROUGHLY 157 00:08:01,614 --> 00:08:05,051 60° IN ITS ORBIT. 158 00:08:05,051 --> 00:08:06,152 THEY ARE STABLE FOR LONG PERIODS 159 00:08:06,152 --> 00:08:08,454 OF TIME DUE TO THE FACT THAT THE 160 00:08:08,454 --> 00:08:10,122 GRAVITATIONAL TRACTION OF THE 161 00:08:10,122 --> 00:08:12,758 SUN AND PLANETS KEPT IT OUT 162 00:08:12,758 --> 00:08:13,326 THERE. 163 00:08:13,326 --> 00:08:17,730 SO THE OBJECTS THAT WE SEE ARE 164 00:08:17,730 --> 00:08:19,799 PRIMITIVE. 165 00:08:19,799 --> 00:08:21,734 PROBABLY PLACED IN CURRENT 166 00:08:21,734 --> 00:08:25,037 ORBITS BY THE FINAL BLAST OF THE 167 00:08:25,037 --> 00:08:27,240 PLANET PROCESS. 168 00:08:27,240 --> 00:08:28,241 ONE OF THE INTERESTING THINGS 169 00:08:28,241 --> 00:08:30,109 ABOUT THESE OBJECTS, HOWEVER, IS 170 00:08:30,109 --> 00:08:33,279 DESPITE THE FACT THAT THEY 171 00:08:33,279 --> 00:08:35,381 ACTUALLY OCCUPY A SMALL REGION 172 00:08:35,381 --> 00:08:38,784 OF SPACE. 173 00:08:38,784 --> 00:08:40,987 IF WE CAN SHOW MY FIRST GRAPHIC. 174 00:08:40,987 --> 00:08:42,421 YOU WILL SEE DESPITE THE FACT 175 00:08:42,421 --> 00:08:44,624 THAT THEY REALLY ARE IN A SMALL 176 00:08:44,624 --> 00:08:46,726 REGION OF SPACE, THEY ARE 177 00:08:46,726 --> 00:08:48,160 PHYSICALLY DIFFERENT FROM ONE 178 00:08:48,160 --> 00:08:50,897 ANOTHER, WE'LL SEE, FOR EXAMPLE, 179 00:08:50,897 --> 00:08:52,999 THEY HAVE VERY DIFFERENT COLORS, 180 00:08:52,999 --> 00:08:54,867 SOME GRAY, SOME RED, FOR 181 00:08:54,867 --> 00:08:56,068 EXAMPLE. 182 00:08:56,068 --> 00:08:58,137 THIS, I THINK, IS TELLING US 183 00:08:58,137 --> 00:08:59,472 SOMETHING FUNDAMENTAL ABOUT THE 184 00:08:59,472 --> 00:09:02,174 FORMATION OF THE SOLAR SYSTEM, 185 00:09:02,174 --> 00:09:03,242 FOR EXAMPLE, IF YOU GO TO MY 186 00:09:03,242 --> 00:09:06,012 NECKS GRAPHIC, THERE ARE THESE 187 00:09:06,012 --> 00:09:08,314 IDEAS FLOATING AROUND THAT THE 188 00:09:08,314 --> 00:09:10,983 OBJECTS WE SEE IN THE TROJANS 189 00:09:10,983 --> 00:09:13,519 TODAY FORMED BEYOND THE ORBITS 190 00:09:13,519 --> 00:09:15,588 OF THE GIANT PLANETS AND GOT 191 00:09:15,588 --> 00:09:18,124 EMBEDDED IN THEIR CURRENT ORBITS 192 00:09:18,124 --> 00:09:20,560 NEAR THE ORBIT OF JUPITER AS THE 193 00:09:20,560 --> 00:09:23,362 GIANT PLANETS MOVED AROUND. 194 00:09:23,362 --> 00:09:24,463 YOU CAN IMAGINE THAT THE COLOR 195 00:09:24,463 --> 00:09:26,799 INDICATES WHERE THEY FORMED. 196 00:09:26,799 --> 00:09:30,102 MAYBE THE GRAY GUYS FORMED CLOSE 197 00:09:30,102 --> 00:09:34,273 TO THE SUN AND RED OBJECTS FAR 198 00:09:34,273 --> 00:09:40,246 AWAY AND WERE MIXED DURING THE 199 00:09:40,246 --> 00:09:42,114 CAPTURE PROCESS. 200 00:09:42,114 --> 00:09:43,950 THESE OBJECTS DO REPRESENT 201 00:09:43,950 --> 00:09:45,952 OBJECTS THAT FORMED THROUGHOUT 202 00:09:45,952 --> 00:09:47,920 THE OUTER SOLAR SYSTEM AND ARE 203 00:09:47,920 --> 00:09:50,890 NOW IN THE TROJAN SWARMS WHERE A 204 00:09:50,890 --> 00:09:53,092 MISSION LIKE LUCY CAN GO AND 205 00:09:53,092 --> 00:09:54,193 STUDY IT. 206 00:09:54,193 --> 00:09:55,194 IN ORDER TO UNDERSTAND WHAT THEY 207 00:09:55,194 --> 00:09:56,729 ARE TELLING US ABOUT THE HISTORY 208 00:09:56,729 --> 00:09:58,631 OF THE SOLAR SYSTEM, WE HAVE TO 209 00:09:58,631 --> 00:10:01,367 UNDERSTAND THE DIVERSITY AND 210 00:10:01,367 --> 00:10:03,436 STUDY THE DIVERSITY. 211 00:10:03,436 --> 00:10:05,972 AND THAT'S EXACTLY WHAT LUCY IS 212 00:10:05,972 --> 00:10:07,840 GOING TO DO. 213 00:10:07,840 --> 00:10:10,576 SO, IN SHORT, LUCY IS GOING TO 214 00:10:10,576 --> 00:10:13,012 LAUNCH IN A COUPLE OF WEEKS, OUR 215 00:10:13,012 --> 00:10:15,314 LAUNCH PERIOD OPENS OCTOBER 16, 216 00:10:15,314 --> 00:10:17,283 IT GOES FOR 21 DAYS. 217 00:10:17,283 --> 00:10:18,517 WE ARE GOING TO PASS THE 218 00:10:18,517 --> 00:10:21,320 GREENBELT ASTEROID ON THE WAY 219 00:10:21,320 --> 00:10:23,422 OUT TO THE TROJANS. 220 00:10:23,422 --> 00:10:25,625 THAT HAPPENS IN 2025. 221 00:10:25,625 --> 00:10:27,059 THEN WE'LL HAVE FIVE TROJAN 222 00:10:27,059 --> 00:10:30,796 ENCOUNTERS BETWEEN 2027 AND 2033 223 00:10:30,796 --> 00:10:33,432 FOR A TOTAL OF SEVEN OBJECTS 224 00:10:33,432 --> 00:10:35,534 BECAUSE ONE OF OUR OBJECTS HAS 225 00:10:35,534 --> 00:10:37,937 BEEN DISCOVERED TO HAVE A 226 00:10:37,937 --> 00:10:43,776 SATELLITE BY THE HUBBLE SPACE 227 00:10:43,776 --> 00:10:45,745 SATELLITE. 228 00:10:45,745 --> 00:10:50,149 AND THE OTHER ONE IS MY FAVORITE 229 00:10:50,149 --> 00:10:53,486 IS A BINARY OBJECT, TWO OBJECTS 230 00:10:53,486 --> 00:10:55,888 ROUGHLY THE SAME SIZE FROM 231 00:10:55,888 --> 00:10:57,556 CIRCULAR OWE BIT FROM ONE 232 00:10:57,556 --> 00:10:58,290 ANOTHER. 233 00:10:58,290 --> 00:10:59,291 IN ORDER TO COVER THIS 234 00:10:59,291 --> 00:11:01,560 DIVERSITY, WE ARE GOING TO KNOW 235 00:11:01,560 --> 00:11:03,863 A LOT OF TARGETS. 236 00:11:03,863 --> 00:11:05,498 ONE OF THE RECORDS IT'S GOING TO 237 00:11:05,498 --> 00:11:07,600 BREAK IN ITS TRAVELS IS WE ARE 238 00:11:07,600 --> 00:11:10,569 VISITING MORE ASTEROIDS THAN ANY 239 00:11:10,569 --> 00:11:12,672 OTHER SPACECRAFT IN HISTORY. 240 00:11:12,672 --> 00:11:14,440 IT'S ALSO A 12 YEAR MISSION 241 00:11:14,440 --> 00:11:16,942 WHICH IS A LONG PERIOD OF TIME, 242 00:11:16,942 --> 00:11:18,511 I'M 75. 243 00:11:18,511 --> 00:11:22,114 WHEN ALL THIS IS SAID AND DONE. 244 00:11:22,114 --> 00:11:23,449 YOUNG PEOPLE, MAYBE IN 245 00:11:23,449 --> 00:11:24,650 ELEMENTARY SCHOOL OR MIDDLE 246 00:11:24,650 --> 00:11:27,053 SCHOOL, WILL BE WORKING ON LUCY 247 00:11:27,053 --> 00:11:30,256 BY THE TIME WE GET TO THE END OF 248 00:11:30,256 --> 00:11:31,123 THE MISSION. 249 00:11:31,123 --> 00:11:36,862 COVERING THIS DIVERSITY IS KEY 250 00:11:36,862 --> 00:11:39,265 AND FINDING THE TRAJECTORY THAT 251 00:11:39,265 --> 00:11:41,133 WILL ALLOW US TO VISIT ALL THESE 252 00:11:41,133 --> 00:11:43,102 TYPES OF OBJECTS HAS BEEN A 253 00:11:43,102 --> 00:11:44,503 CHORE FOR LUCY. 254 00:11:44,503 --> 00:11:46,372 IN THE NEXT GRAPHIC, I'M GOING 255 00:11:46,372 --> 00:11:49,008 TO SHOW YOU THIS TRAJECTORY 256 00:11:49,008 --> 00:11:51,210 WHICH WILL ALLOW US TO DO THIS. 257 00:11:51,210 --> 00:11:52,645 WE LAUNCH IN OCTOBER AND WE 258 00:11:52,645 --> 00:11:54,413 RATTLE AROUND THE INNER SOLAR 259 00:11:54,413 --> 00:11:56,949 SYSTEM FOR A WHILE USING EARTH'S 260 00:11:56,949 --> 00:12:00,386 GRAVITY TO SLOWLY PUMP UP THE 261 00:12:00,386 --> 00:12:02,288 ORBIT OF THE SPACECRAFT SO IT 262 00:12:02,288 --> 00:12:05,491 EVENTUALLY INTERSECTS THE ORBIT 263 00:12:05,491 --> 00:12:06,358 OF JUPITER. 264 00:12:06,358 --> 00:12:08,327 ON THE WAY OUT WE PASS BY THIS 265 00:12:08,327 --> 00:12:10,329 MAIN BELT ASTEROID WHICH WE 266 00:12:10,329 --> 00:12:17,269 NAMED FOR DONALD JOHANSSON, 267 00:12:17,269 --> 00:12:21,407 THESE OBJECTS ARE THE FOSSILS OF 268 00:12:21,407 --> 00:12:22,942 PLANET FORMATION. 269 00:12:22,942 --> 00:12:25,478 WE NAMED THE LUCY MISSION FROM 270 00:12:25,478 --> 00:12:27,346 THE LUCY FOSSIL THAT WAS 271 00:12:27,346 --> 00:12:31,083 DISCOVERED IN THE MID '70s BY 272 00:12:31,083 --> 00:12:32,952 DONALD JOHANSSON. 273 00:12:32,952 --> 00:12:35,721 GO OUT INTO THE LEADING SWARM 274 00:12:35,721 --> 00:12:38,124 AND WE'LL HAVE FOUR ENCOUNTERS 275 00:12:38,124 --> 00:12:39,024 THERE. 276 00:12:39,024 --> 00:12:40,793 THEN WE COME BACK TO THE INNER 277 00:12:40,793 --> 00:12:42,962 PART OF THE SOLAR SYSTEM, HAVE 278 00:12:42,962 --> 00:12:45,297 ANOTHER EARTH GRAVITY ASSIST 279 00:12:45,297 --> 00:12:48,367 WHICH ALLOWS US TO TARGET OUR 280 00:12:48,367 --> 00:12:52,104 FINAL TROJAN. 281 00:12:52,104 --> 00:12:54,073 WE DO COVER A LOT OF TERRITORY 282 00:12:54,073 --> 00:12:56,408 AND GET THE FULL DIVERSITY THAT 283 00:12:56,408 --> 00:12:58,377 WE NEED, THERE ARE A COUPLE OF 284 00:12:58,377 --> 00:13:00,613 OBJECTS IN THIS POPULATION THAT 285 00:13:00,613 --> 00:13:02,715 DESERVE TO HAVE SPACECRAFTS SENT 286 00:13:02,715 --> 00:13:03,682 TO THEM. 287 00:13:03,682 --> 00:13:05,117 EVEN IF THAT WAS THE ONLY TARGET 288 00:13:05,117 --> 00:13:06,685 FOR THE SPACECRAFT. 289 00:13:06,685 --> 00:13:08,454 THE FIRST IS THE FIRST TROJAN WE 290 00:13:08,454 --> 00:13:12,291 ENCOUNTER WITH ITS SMALL 291 00:13:12,291 --> 00:13:13,726 SATELLITE. 292 00:13:13,726 --> 00:13:15,261 IT WAS INVOLVED IN A MAJOR 293 00:13:15,261 --> 00:13:19,565 COLLISION MANY, MANY EONS AGO. 294 00:13:19,565 --> 00:13:21,934 REMEMBER, THAT PLANETS FORM BY 295 00:13:21,934 --> 00:13:24,136 GROWING, BY EATING EACH OTHER 296 00:13:24,136 --> 00:13:26,105 THROUGH COLLISIONS. 297 00:13:26,105 --> 00:13:28,774 SO IT IS GOING TO GIVE US A 298 00:13:28,774 --> 00:13:31,510 UNIQUE INSIGHT INTO THAT 299 00:13:31,510 --> 00:13:33,379 COLLISION PROCESS. 300 00:13:33,379 --> 00:13:34,914 AND THE FINAL OBJECT I SAID 301 00:13:34,914 --> 00:13:37,583 BEFORE, MY FAVORITE, NEAR EQUAL 302 00:13:37,583 --> 00:13:42,988 MASS BINARY, AND IT IS PROBABLY 303 00:13:42,988 --> 00:13:45,191 THE MOST PRISTINE OBJECT THAT WE 304 00:13:45,191 --> 00:13:47,159 ARE STUDYING, COULD BE LEFT OVER 305 00:13:47,159 --> 00:13:49,595 FROM THE INITIAL POPULATION OF 306 00:13:49,595 --> 00:13:52,898 ASTEROIDS IN THE SOLAR SYSTEM. 307 00:13:52,898 --> 00:13:54,667 LET ME FINISH BY SAYING THAT I 308 00:13:54,667 --> 00:13:57,336 ALREADY TOLD YOU THAT WE ARE 309 00:13:57,336 --> 00:13:59,004 BEATING ONE RECORD BY VISITING 310 00:13:59,004 --> 00:14:00,906 SO MANY ASTEROIDS. 311 00:14:00,906 --> 00:14:05,177 WE ARE ALSO GOING TO SEE 312 00:14:05,177 --> 00:14:06,645 ANOTHER, WE ARE GOING FURTHER 313 00:14:06,645 --> 00:14:09,148 FROM THE SUN THAN ANY OTHER 314 00:14:09,148 --> 00:14:12,785 SOLAR SPACE POWERED CRAFT IN 315 00:14:12,785 --> 00:14:14,220 HISTORY. 316 00:14:14,220 --> 00:14:16,522 I WILL HAND IT OVER TO KEITH 317 00:14:16,522 --> 00:14:18,390 NOLL WHO WILL TELL US MORE ABOUT 318 00:14:18,390 --> 00:14:20,159 THE SCIENCE WE ARE GOING TO DO. 319 00:14:20,159 --> 00:14:21,994 >> THANKS, HAL. 320 00:14:21,994 --> 00:14:27,299 I WANT TO EMPHASIZE THAT LUCY IS 321 00:14:27,299 --> 00:14:29,368 A FLY-BY MISSION. 322 00:14:29,368 --> 00:14:30,936 AFTER SPENDING YEARS TRAVELING 323 00:14:30,936 --> 00:14:32,905 MORE THAN A BILLION MILES TO GET 324 00:14:32,905 --> 00:14:35,007 TO OUR TARGETS WE AIM ALMOST 325 00:14:35,007 --> 00:14:38,310 DIRECTLY AT THEM FLYING WITHIN 326 00:14:38,310 --> 00:14:41,480 600 MILES OF THEIR SURFACES. 327 00:14:41,480 --> 00:14:43,716 LUCY DOESN'T SLOW DOWN FOR THESE 328 00:14:43,716 --> 00:14:47,019 FLY-BYS. 329 00:14:47,019 --> 00:14:47,553 IT'S MOVING BETWEEN 3 AND 330 00:14:47,553 --> 00:14:49,421 5 MILES PER SECOND RELATIVE TO 331 00:14:49,421 --> 00:14:53,492 THE TROJAN ASTEROIDS, SO THE 332 00:14:53,492 --> 00:14:55,461 ENCOUNTER IS QUICKLY. 333 00:14:55,461 --> 00:14:57,129 WITH THE BEST DATA BEING 334 00:14:57,129 --> 00:14:59,665 COLLECTED IN A FEW HOURS NEAR 335 00:14:59,665 --> 00:15:01,367 THE CLOSEST APPROACH. 336 00:15:01,367 --> 00:15:03,202 TO TAKE ADVANTAGE OF THIS, LUCY 337 00:15:03,202 --> 00:15:06,605 TEAM WAS VERY CAREFUL TO SELECT 338 00:15:06,605 --> 00:15:09,141 A PROVEN SET OF INSTRUMENTS TO 339 00:15:09,141 --> 00:15:11,243 ACHIEVE ALL OF OUR SCIENCE 340 00:15:11,243 --> 00:15:13,245 OBJECTIVES DURING THESE 341 00:15:13,245 --> 00:15:14,647 FLY-BYES. 342 00:15:14,647 --> 00:15:15,881 LUCY WANTS TO INVESTIGATE THE 343 00:15:15,881 --> 00:15:17,616 GEOLOGY OF THE TARGETS, WE WOULD 344 00:15:17,616 --> 00:15:18,951 LIKE TO LEARN MORE ABOUT THE 345 00:15:18,951 --> 00:15:20,719 COMPOSITION AND HOW IT'S SPREAD 346 00:15:20,719 --> 00:15:22,421 AROUND ON THE SURFACES. 347 00:15:22,421 --> 00:15:24,189 WE WANT TO KNOW ABOUT THE BULK 348 00:15:24,189 --> 00:15:26,158 PROPERTIES, MASS, DENSITY, 349 00:15:26,158 --> 00:15:28,794 VOLUME OF THESE OBJECTS AND WE 350 00:15:28,794 --> 00:15:30,896 WANT TO CARRY OUT A SEARCH FOR 351 00:15:30,896 --> 00:15:33,098 SATELLITES AND EVEN POSSIBLY 352 00:15:33,098 --> 00:15:35,534 RINGS THAT ARE TOO CLOSE IN TO 353 00:15:35,534 --> 00:15:39,171 BE OBSERVED WITH ANY EARTH BASED 354 00:15:39,171 --> 00:15:42,041 TELESCOPE INCLUDING HUBBLE. 355 00:15:42,041 --> 00:15:42,541 THERE ARE THREE SCIENCE 356 00:15:42,541 --> 00:15:44,343 INSTRUMENTS ON LUCY. 357 00:15:44,343 --> 00:15:49,181 THEY BEGIN WITH L, THEY ARE 358 00:15:49,181 --> 00:15:50,482 VERSIONS OF INSTRUMENTS THAT 359 00:15:50,482 --> 00:15:52,818 HAVE FLOWN BEFORE WITH UPDATES 360 00:15:52,818 --> 00:15:55,688 SPECIFIC TO THE LUCY MISSION. 361 00:15:55,688 --> 00:15:56,989 LET ME START BY TELLING YOU 362 00:15:56,989 --> 00:16:00,993 ABOUT L-RALPH. 363 00:16:00,993 --> 00:16:04,863 IT'S TWO INSTRUMENTS IN ONE. 364 00:16:04,863 --> 00:16:06,932 THERE'S AN INSTRUMENT CALLED 365 00:16:06,932 --> 00:16:13,105 M-VIC THAT OPERATES A VISIBLE 366 00:16:13,105 --> 00:16:14,873 WAVE LENGTH AND WE HAVE ONE 367 00:16:14,873 --> 00:16:16,175 CALLED LISA. 368 00:16:16,175 --> 00:16:18,277 THEY SHARE THE COMMON PURPOSE OF 369 00:16:18,277 --> 00:16:20,346 TRYING TO UNDERSTAND THE 370 00:16:20,346 --> 00:16:22,748 COMPOSITION OF OUR TARGETS. 371 00:16:22,748 --> 00:16:26,051 M-VIC IS ESSENTIALLY A COLOR 372 00:16:26,051 --> 00:16:28,454 CAMERA THAT HAS FIVE ESPECIALLY 373 00:16:28,454 --> 00:16:30,422 COLORED FILTERS AND ONE CLEAR 374 00:16:30,422 --> 00:16:32,958 FILTER THAT WILL GET IMAGES OF 375 00:16:32,958 --> 00:16:34,259 THE TARGETS. 376 00:16:34,259 --> 00:16:38,130 THE TROJANS DON'T HAVE A STRONG 377 00:16:38,130 --> 00:16:41,333 FEATURE AS VISIBLE WAVE LENGTHS, 378 00:16:41,333 --> 00:16:43,402 BUT THEY HAVE THESE COLOR 379 00:16:43,402 --> 00:16:45,604 VARIATIONS THAT HAL MENTIONED. 380 00:16:45,604 --> 00:16:47,473 GETTING CLOSE UP AND SEE HOW 381 00:16:47,473 --> 00:16:49,441 COLOR VARIES ON THE SURFACE OR 382 00:16:49,441 --> 00:16:52,077 DOESN'T WILL TELL US A LOT ABOUT 383 00:16:52,077 --> 00:16:55,914 THE HISTORIES OF THESE OBJECTS. 384 00:16:55,914 --> 00:16:57,349 WE HAVE LISA, WHICH INSTEAD OF 385 00:16:57,349 --> 00:16:59,218 FIVE COLOR FILTERS WILL GET 386 00:16:59,218 --> 00:17:04,123 HUNDREDS OF VERY NARROW INFRARED 387 00:17:04,123 --> 00:17:07,393 IMAGES SPACED THROUGH THE NEAR 388 00:17:07,393 --> 00:17:09,595 AND FAR PART OF THE SPECTRUM. 389 00:17:09,595 --> 00:17:11,130 WE EXPECT THE TARGETS WILL GIVE 390 00:17:11,130 --> 00:17:13,565 UP A LITTLE BIT MORE INFORMATION 391 00:17:13,565 --> 00:17:16,635 ABOUT THEIR SURFACES. 392 00:17:16,635 --> 00:17:18,404 WE CAN EXPECT TO LOOK FOR THINGS 393 00:17:18,404 --> 00:17:20,739 LIKE WATER ABSORBED INTO 394 00:17:20,739 --> 00:17:24,610 MINERALS, ORGANIC MOLECULES, 395 00:17:24,610 --> 00:17:26,812 POSSIBLY OTHER COMPONENTS AND TO 396 00:17:26,812 --> 00:17:28,914 DO THAT UP CLOSE AND SEE WHERE 397 00:17:28,914 --> 00:17:31,316 THESE DIFFERENT COMPOSITIONAL 398 00:17:31,316 --> 00:17:33,519 ELEMENTS ARE CONCENTRATED IS 399 00:17:33,519 --> 00:17:35,854 ALSO GOING TO BE REALLY CRITICAL 400 00:17:35,854 --> 00:17:38,824 TO UNDERSTANDING THE FORMATION 401 00:17:38,824 --> 00:17:43,128 AND EVOLUTION OF THESE OBJECTS. 402 00:17:43,128 --> 00:17:46,532 THE NEXT I WANT TO TALK ABOUT IS 403 00:17:46,532 --> 00:17:47,633 LORI. 404 00:17:47,633 --> 00:17:49,701 LORI IS OUR VERY SENSITIVE HIGH 405 00:17:49,701 --> 00:17:51,470 RESOLUTION CAMERA. 406 00:17:51,470 --> 00:17:53,238 YOU CAN THINK OF IT AS A CAMERA 407 00:17:53,238 --> 00:17:56,542 WITH A POWERFUL ZOOM LENS ON IT. 408 00:17:56,542 --> 00:17:57,976 IT'S FIRST JOB IS TO HELP THE 409 00:17:57,976 --> 00:18:02,181 NAVIGATION TEAM GET IT TO THE 410 00:18:02,181 --> 00:18:05,584 RIGHT [INDISCERNIBLE]. 411 00:18:05,584 --> 00:18:07,920 AND THEN CLOSER IN ITS GOING TO 412 00:18:07,920 --> 00:18:10,222 BE COLLECTING IMAGES THAT WILL 413 00:18:10,222 --> 00:18:11,890 GIVE US DETAILS ABOUT THE 414 00:18:11,890 --> 00:18:15,294 SURFACE, THEN SURFACE FEATURES 415 00:18:15,294 --> 00:18:17,596 DOWN TO JUST TENS OF YARDS 416 00:18:17,596 --> 00:18:18,797 ACROSS. 417 00:18:18,797 --> 00:18:21,333 A FRACTION OF A FOOTBALL FIELD. 418 00:18:21,333 --> 00:18:23,702 THE SMALLEST CRATERS THAT LORI 419 00:18:23,702 --> 00:18:25,037 WILL BE ABLE TO SEE ARE MORE 420 00:18:25,037 --> 00:18:26,772 THAN A HUNDRED TIMES SMALLER 421 00:18:26,772 --> 00:18:28,774 THAN THE LARGEST ONES WE EXPECT 422 00:18:28,774 --> 00:18:29,775 TO FIND. 423 00:18:29,775 --> 00:18:31,310 AND BEING ABLE TO LOOK AT 424 00:18:31,310 --> 00:18:34,379 CRATERS OVER A HUGE RANGE OF 425 00:18:34,379 --> 00:18:37,249 SIZES TELLS US ABOUT THE OBJECTS 426 00:18:37,249 --> 00:18:38,984 WE ARE STUDYING, BUT ABOUT ALL 427 00:18:38,984 --> 00:18:41,186 OF THE TROJANS THAT ARE THE 428 00:18:41,186 --> 00:18:44,056 IMPACTERS ON THESE SURFACES. 429 00:18:44,056 --> 00:18:45,591 LORI IS ALSO THE INSTRUMENT 430 00:18:45,591 --> 00:18:47,259 THAT'S GOING TO CARRY OUT A 431 00:18:47,259 --> 00:18:51,663 SENSITIVE SEARCH FOR SATELLITES 432 00:18:51,663 --> 00:18:53,532 AND RINGS. 433 00:18:53,532 --> 00:18:55,200 THE THIRD INSTRUMENT I WANT TO 434 00:18:55,200 --> 00:18:57,169 DESCRIBE IS IT L-TEST. 435 00:18:57,169 --> 00:19:00,472 IT WORKS IN THE SAME WAY THAT A 436 00:19:00,472 --> 00:19:03,809 DIGITAL THERMOMETER WORKS. 437 00:19:03,809 --> 00:19:06,345 IT ALLOWS US TO DETECT 438 00:19:06,345 --> 00:19:07,446 INFORMATION TO GET THE 439 00:19:07,446 --> 00:19:17,089 TEMPERATURE AND THE PODCAST 440 00:19:17,089 --> 00:19:19,525 SHADOWED PORTIONS OF THE TARGETS 441 00:19:19,525 --> 00:19:21,493 AND SIGNIFICANTS SETTLEMENT 442 00:19:21,493 --> 00:19:23,128 POURINGS OF THE TARGETS. 443 00:19:23,128 --> 00:19:24,429 THE DIFFERENCE BETWEEN THOSE TWO 444 00:19:24,429 --> 00:19:27,399 REGIONS TELLS SOMETHING 445 00:19:27,399 --> 00:19:30,836 IMPORTANT ABOUT DENSE OR FLUFFY 446 00:19:30,836 --> 00:19:32,037 THE MATERIAL IS. 447 00:19:32,037 --> 00:19:33,438 THAT DEPENDS ON THE LONG-TERM 448 00:19:33,438 --> 00:19:36,508 HISTORY OF THESE OBJECTS. 449 00:19:36,508 --> 00:19:38,177 IN ADDITION TO OUR THREE SCIENCE 450 00:19:38,177 --> 00:19:40,712 INSTRUMENTS, LUCY HAS TWO 451 00:19:40,712 --> 00:19:42,781 SPACECRAFT SYSTEMS THAT WE'LL 452 00:19:42,781 --> 00:19:45,851 USE TO GET SCIENTIFIC DATA. 453 00:19:45,851 --> 00:19:47,519 OUR TERMINAL TRACKING CAMERAS 454 00:19:47,519 --> 00:19:49,721 ALLOW US TO POINT ACCURATELY AT 455 00:19:49,721 --> 00:19:53,025 THE TARGETS AS WE FLYBY. 456 00:19:53,025 --> 00:19:55,027 BUT THEY ALSO ACT AS A WIDE VIEW 457 00:19:55,027 --> 00:19:56,461 CAMERA. 458 00:19:56,461 --> 00:19:58,197 IN CONJUNCTION WITH LORI'S 459 00:19:58,197 --> 00:20:00,832 DETAILED IMAGES, THAT'S GOING TO 460 00:20:00,832 --> 00:20:03,936 PROVIDE GEOLOGICAL CONTEXT AS WE 461 00:20:03,936 --> 00:20:05,771 FLYBY AND GET SOME OF THE BEST 462 00:20:05,771 --> 00:20:08,207 LIGHTING CONDITION. 463 00:20:08,207 --> 00:20:09,408 ALSO, ON THE SIDE OF THE 464 00:20:09,408 --> 00:20:10,709 SPACECRAFT, YOU CAN SEE WE HAVE 465 00:20:10,709 --> 00:20:13,812 A LARGE ANTENNA, THAT'S OUR HIGH 466 00:20:13,812 --> 00:20:16,448 GAIN AN TEN THAT, THAT ALLOWS US 467 00:20:16,448 --> 00:20:18,550 TO COMMUNICATE WITH LUCY FROM 468 00:20:18,550 --> 00:20:19,518 THE EARTH. 469 00:20:19,518 --> 00:20:21,186 BY TRACKING THE FREQUENCY OF 470 00:20:21,186 --> 00:20:23,655 THAT LINK VERY CAREFULLY, WE CAN 471 00:20:23,655 --> 00:20:25,624 MEASURE SMALL CHANGES IN 472 00:20:25,624 --> 00:20:31,263 VELOCITY THAT ALLOW US TO WEIGH 473 00:20:31,263 --> 00:20:33,098 THE ASTEROIDS AND DETERMINE 474 00:20:33,098 --> 00:20:34,199 THEIR MASS. 475 00:20:34,199 --> 00:20:36,401 THAT'S A UNIQUE MEASUREMENT WE 476 00:20:36,401 --> 00:20:40,505 CAN MAKE WITH THE ANTENNA. 477 00:20:40,505 --> 00:20:43,575 LUCY HAS A POWERFUL COMBINATION 478 00:20:43,575 --> 00:20:46,311 OF INSTRUMENTS THAT ALLOW US TO 479 00:20:46,311 --> 00:20:47,746 MEET OUR GOALS. 480 00:20:47,746 --> 00:20:49,848 NEXT, I WANT TO PASS THIS OVER 481 00:20:49,848 --> 00:20:51,049 TO RICH LIPE. 482 00:20:51,049 --> 00:20:53,018 >> THANKS, KEITH. 483 00:20:53,018 --> 00:20:54,987 I APPRECIATE IT. 484 00:20:54,987 --> 00:20:56,221 I'M RICH LIPE. 485 00:20:56,221 --> 00:20:58,857 I'M THE LOCKHEED MARTIN 486 00:20:58,857 --> 00:21:00,959 SPACECRAFT MANAGER. 487 00:21:00,959 --> 00:21:02,327 I'M HERE TO TALK TO YOU ABOUT 488 00:21:02,327 --> 00:21:04,162 HOW WE GOT TO THIS POINT WITH 489 00:21:04,162 --> 00:21:05,497 THE SPACECRAFT. 490 00:21:05,497 --> 00:21:07,032 THIS IS A 12 YEAR MISSION. 491 00:21:07,032 --> 00:21:08,800 WE ARE GOING TO VISIT EIGHT 492 00:21:08,800 --> 00:21:10,802 ASTEROIDS, WE HAVE TO DO THAT 493 00:21:10,802 --> 00:21:13,205 WITH ONE SPACECRAFT. 494 00:21:13,205 --> 00:21:13,972 IT WAS BUILT HERE AT LOCKHEED 495 00:21:13,972 --> 00:21:15,741 MARTIN. 496 00:21:15,741 --> 00:21:17,276 IT WAS BUILT OVER A 14 MONTH 497 00:21:17,276 --> 00:21:19,044 PERIOD DURING A GLOBAL PANDEMIC 498 00:21:19,044 --> 00:21:21,113 WHICH, BELIEVE ME, WAS REALLY 499 00:21:21,113 --> 00:21:22,648 DIFFICULT. 500 00:21:22,648 --> 00:21:24,416 WE HAD TO IMPLEMENT SOME VERY 501 00:21:24,416 --> 00:21:26,585 CREATIVE SOLUTIONS TO STAY ON 502 00:21:26,585 --> 00:21:28,153 TRACK FOR OUR LAUNCH READINESS 503 00:21:28,153 --> 00:21:28,720 DATE. 504 00:21:28,720 --> 00:21:30,255 WE DID THAT BY SPLITTING THE 505 00:21:30,255 --> 00:21:33,558 TEAMS UP INTO A, B TEAMS SO THEY 506 00:21:33,558 --> 00:21:35,193 WOULD NEVER INTERACT WITH ONE 507 00:21:35,193 --> 00:21:36,628 ANOTHER IN CASE SOMEONE GOT 508 00:21:36,628 --> 00:21:38,697 SICK, SO WE WOULDN'T TAKE DOWN 509 00:21:38,697 --> 00:21:40,365 THE ENTIRE TEAM. 510 00:21:40,365 --> 00:21:42,334 WE COULD STAY ON TRACK BUILDING 511 00:21:42,334 --> 00:21:44,436 THIS AMAZING SPACECRAFT. 512 00:21:44,436 --> 00:21:45,771 IT TOOK INCREDIBLE TEAM 513 00:21:45,771 --> 00:21:47,506 COOPERATION AND FLEXIBILITY. 514 00:21:47,506 --> 00:21:49,741 I CAN'T THANK THE LUCY TEAM 515 00:21:49,741 --> 00:21:51,276 ENOUGH FOR THEIR DILIGENCE 516 00:21:51,276 --> 00:21:52,577 DURING THIS TIME FRAME. 517 00:21:52,577 --> 00:21:54,346 I ALSO WANT TO TAKE A QUICK 518 00:21:54,346 --> 00:21:57,182 SECOND TO THANK LOCKHEED MARTIN. 519 00:21:57,182 --> 00:21:58,283 THEY REALLY ENSURED THAT THE 520 00:21:58,283 --> 00:22:01,753 WORK FORCE WAS HEALTHY AND SAFE. 521 00:22:01,753 --> 00:22:03,088 THEY GAVE US EVERYTHING WE 522 00:22:03,088 --> 00:22:04,823 NEEDED. 523 00:22:04,823 --> 00:22:06,158 AND THEY DID A REALLY GREAT 524 00:22:06,158 --> 00:22:07,259 JOSH. 525 00:22:07,259 --> 00:22:08,260 I REALLY APPRECIATE LOCKHEED 526 00:22:08,260 --> 00:22:11,029 MARTIN'S CONTRIBUTIONS DURING 527 00:22:11,029 --> 00:22:13,765 THIS TIME, A VERY DIFFICULT 528 00:22:13,765 --> 00:22:15,200 TIMES. 529 00:22:15,200 --> 00:22:16,301 LET'S GO INTO THE CONSTRUCTION 530 00:22:16,301 --> 00:22:18,136 OF THE SPACECRAFT. 531 00:22:18,136 --> 00:22:21,139 THE SPACECRAFT WAS BUILT AT 532 00:22:21,139 --> 00:22:24,276 LITTLETON, COLORADO FACILITY. 533 00:22:24,276 --> 00:22:26,044 IT CAME TOGETHER WITH 500 534 00:22:26,044 --> 00:22:27,813 ENGINEERS, MISSION SPECIALISTS 535 00:22:27,813 --> 00:22:30,349 AND SCIENTISTS WHO PUT TOGETHER 536 00:22:30,349 --> 00:22:32,084 430 COMPONENTS. 537 00:22:32,084 --> 00:22:34,386 WE STARTED OUT WITH THE BARE 538 00:22:34,386 --> 00:22:37,456 STRUCTURE, 170 FEET OF COMPOSITE 539 00:22:37,456 --> 00:22:38,323 STRUCTURE. 540 00:22:38,323 --> 00:22:40,092 WE INSTALLED THE PROPULSION 541 00:22:40,092 --> 00:22:42,294 SYSTEM, WE INSTALLED MULTIPLE 542 00:22:42,294 --> 00:22:44,629 ELECTRONIC BOXES ON TO THAT 543 00:22:44,629 --> 00:22:45,497 STRUCTURE. 544 00:22:45,497 --> 00:22:47,232 WE INSTALLED THE INSTRUMENTS AS 545 00:22:47,232 --> 00:22:48,900 THEY CAME IN FROM OUR INSTRUMENT 546 00:22:48,900 --> 00:22:50,102 PROVIDERS. 547 00:22:50,102 --> 00:22:52,204 WE INSTALLED OVER TWO MILES OF 548 00:22:52,204 --> 00:22:54,172 WIRE FOR THIS VEHICLE. 549 00:22:54,172 --> 00:22:56,041 THERE IS A LOT OF WIRE ON THIS 550 00:22:56,041 --> 00:22:57,809 VEHICLE, CONNECTS ALL THE BOXES 551 00:22:57,809 --> 00:22:58,577 TOGETHER. 552 00:22:58,577 --> 00:23:01,279 WE INSTALLED THE SOLAR RAYS. 553 00:23:01,279 --> 00:23:03,148 I HAVE SAID THIS BEFORE AND THIS 554 00:23:03,148 --> 00:23:05,684 IS AMAZING DESIGN SPACECRAFT, 555 00:23:05,684 --> 00:23:08,086 BUT IT'S ALSO A REALLY PIECE OF 556 00:23:08,086 --> 00:23:08,854 WORK. 557 00:23:08,854 --> 00:23:10,822 IT'S AN ARTWORK. 558 00:23:10,822 --> 00:23:15,460 IT'S REALLY -- TAKES A LOT OF 559 00:23:15,460 --> 00:23:17,562 INSPIRATION FROM EACH AND EVERY 560 00:23:17,562 --> 00:23:18,997 ENGINEER, TEAM MEMBER, 561 00:23:18,997 --> 00:23:21,500 SCIENTIST, TO COME UP WITH THIS 562 00:23:21,500 --> 00:23:23,235 DESIGN AND MEET ALL OF OUR 563 00:23:23,235 --> 00:23:24,870 REQUIREMENTS AND WE PULL FROM 564 00:23:24,870 --> 00:23:29,708 PREVIOUS DEEP SPACE MISSIONS, 565 00:23:29,708 --> 00:23:32,778 LOCKHEED MARTIN HAS A HERITAGE 566 00:23:32,778 --> 00:23:36,848 FROM DEEP SPACE, WE PULL FROM 567 00:23:36,848 --> 00:23:38,483 PREVIOUS DESIGNS TO BRING THIS 568 00:23:38,483 --> 00:23:40,585 SPACECRAFT TOGETHER. 569 00:23:40,585 --> 00:23:42,354 ONCE THE SPACECRAFT IS 570 00:23:42,354 --> 00:23:44,756 ASSEMBLED, WE GOT THE BOXES, 571 00:23:44,756 --> 00:23:46,291 EVERYTHING IS READY TO GO. 572 00:23:46,291 --> 00:23:48,059 THE LOCKHEED MARTIN TEAM TESTS 573 00:23:48,059 --> 00:23:50,028 THIS SPACECRAFT TO MAKE SURE 574 00:23:50,028 --> 00:23:51,696 IT'S PREPARED FOR ITS RECORD 575 00:23:51,696 --> 00:23:53,331 BREAKING SPACE JOURNEY. 576 00:23:53,331 --> 00:23:54,566 WE DO ENVIRONMENTAL TESTING 577 00:23:54,566 --> 00:23:57,102 WHERE WE DO SHOCK TESTING. 578 00:23:57,102 --> 00:23:58,970 WE DO VIBRATION TESTING. 579 00:23:58,970 --> 00:24:00,739 WE DO ELECTROMAGNETIC 580 00:24:00,739 --> 00:24:02,641 INTERFERENCE TESTING TO MAKE 581 00:24:02,641 --> 00:24:04,309 SURE THE SPACECRAFT DOES NOT 582 00:24:04,309 --> 00:24:06,144 INTERFERE WITH ITSELF WHILE WE 583 00:24:06,144 --> 00:24:09,014 TRANSMIT THE VERY PRECIOUS DATA 584 00:24:09,014 --> 00:24:10,449 WE ARE GOING TO CAPTURE BACK AND 585 00:24:10,449 --> 00:24:12,451 FORTH BETWEEN THE SPACECRAFT AND 586 00:24:12,451 --> 00:24:13,218 EARTH. 587 00:24:13,218 --> 00:24:14,085 THAT'S VERY IMPORTANT. 588 00:24:14,085 --> 00:24:16,054 WE ALSO DO A VERY LARGE TEST 589 00:24:16,054 --> 00:24:18,690 WHICH IS A THERMAL VACUUM TEST 590 00:24:18,690 --> 00:24:20,559 WHERE WE TAKE IT EXTREMELY COLD 591 00:24:20,559 --> 00:24:23,061 AND HOT TO MAKE SURE THAT THE 592 00:24:23,061 --> 00:24:25,263 SPACECRAFT CAN SURVIVE THOSE 593 00:24:25,263 --> 00:24:26,798 VERY DIFFICULT SPACE 594 00:24:26,798 --> 00:24:29,334 ENVIRONMENTS. 595 00:24:29,334 --> 00:24:31,436 AND PART OF IT IS SINCE THE 596 00:24:31,436 --> 00:24:33,305 SPACECRAFT IS GOING SO FAR AWAY 597 00:24:33,305 --> 00:24:35,140 FROM THE SUN, WE REALLY HAD TO 598 00:24:35,140 --> 00:24:37,676 DO A FEW THINGS DIFFERENT AND 599 00:24:37,676 --> 00:24:39,010 NEW THIS TIME. 600 00:24:39,010 --> 00:24:40,011 ONE OF THE MOST STRIKING 601 00:24:40,011 --> 00:24:42,447 FEATURES ON THIS VEHICLE, AS YOU 602 00:24:42,447 --> 00:24:46,151 CAN SEE, ARE THE SOLAR PANELS. 603 00:24:46,151 --> 00:24:48,153 THEY WERE BUILT BY NORTHROP 604 00:24:48,153 --> 00:24:49,254 GRUMMAN. 605 00:24:49,254 --> 00:24:51,356 THEY WILL ALLOW LUCY TO OPERATE 606 00:24:51,356 --> 00:24:52,891 FARTHER FROM THE SUN THAN ANY 607 00:24:52,891 --> 00:24:56,862 PREVIOUS SOLAR POWERED 608 00:24:56,862 --> 00:24:58,630 SPACECRAFT TO DATE. 609 00:24:58,630 --> 00:25:00,732 THEY GENERATE 500 WATTS OF POWER 610 00:25:00,732 --> 00:25:03,068 AT THE TROJANS. 611 00:25:03,068 --> 00:25:05,704 THAT'S ABOUT EIGHT AND A HALF 612 00:25:05,704 --> 00:25:11,109 TIMES A NORMAL HOUSEHOLD LIGHT 613 00:25:11,109 --> 00:25:12,644 BULB. 614 00:25:12,644 --> 00:25:14,846 WE USE THAT POWER EFFICIENTLY TO 615 00:25:14,846 --> 00:25:18,583 COLLECT THE SCIENCE DATA FOR HAL 616 00:25:18,583 --> 00:25:20,785 AND THE SCIENCE TEAM SO WE CAN 617 00:25:20,785 --> 00:25:23,154 DISCOVER WHAT'S GOING -- HOW THE 618 00:25:23,154 --> 00:25:25,023 UNIVERSE WAS DEVELOPED OUT THERE 619 00:25:25,023 --> 00:25:26,892 IN THE OUTER UNIVERSE. 620 00:25:26,892 --> 00:25:28,226 IT'S VERY IMPORTANT. 621 00:25:28,226 --> 00:25:30,428 ONE THINGS THAT MAKES THE SOLAR 622 00:25:30,428 --> 00:25:32,964 RAYS UNIQUE IS THEY ARE TWICE AS 623 00:25:32,964 --> 00:25:34,933 STIFF AND HAVE THE MASS OF A 624 00:25:34,933 --> 00:25:37,135 TYPICAL SOLAR RAY THAT WE WOULD 625 00:25:37,135 --> 00:25:43,775 BUILD CLOSER TO EARTH IN THE GEO 626 00:25:43,775 --> 00:25:46,511 OR LEO SATELLITE. 627 00:25:46,511 --> 00:25:48,713 IT KEEPS THE VEHICLE STABLE SO 628 00:25:48,713 --> 00:25:50,682 WE CAN POINT AT OUR OBJECT 629 00:25:50,682 --> 00:25:53,018 ACCURATELY AND MASS IS ALWAYS 630 00:25:53,018 --> 00:25:54,553 VERY IMPORTANT WITH ANY DEEP 631 00:25:54,553 --> 00:25:58,189 SPACE OR ANY SATELLITE FOR SURE. 632 00:25:58,189 --> 00:26:00,926 SO HAVING HALF THE MASS HAS 633 00:26:00,926 --> 00:26:03,728 ENABLED THIS SOLAR RAY AND THE 634 00:26:03,728 --> 00:26:06,164 STIFFNESS AS WELL. 635 00:26:06,164 --> 00:26:07,999 THE SOLAR RAYS ARE REALLY 636 00:26:07,999 --> 00:26:09,234 MASSIVE. 637 00:26:09,234 --> 00:26:10,435 50 FEET ACROSS. 638 00:26:10,435 --> 00:26:11,436 WHEN YOU STAND THEM ON END, IF 639 00:26:11,436 --> 00:26:13,738 WE PUT THEM ON END, IT WOULD BE 640 00:26:13,738 --> 00:26:15,373 AS TALL AS A FIVE STORY 641 00:26:15,373 --> 00:26:17,609 BUILDING. 642 00:26:17,609 --> 00:26:19,377 REALLY VERY IMPRESSIVE SOLAR 643 00:26:19,377 --> 00:26:22,514 RAYS AND MAKES THE LUCY VEHICLE 644 00:26:22,514 --> 00:26:23,615 STAND OUT. 645 00:26:23,615 --> 00:26:25,050 ONCE WE ARE DONE WITH TESTING 646 00:26:25,050 --> 00:26:26,051 AND PUTTING THE VEHICLE 647 00:26:26,051 --> 00:26:28,019 TOGETHER, WE HAVE TO SHIP IT OUT 648 00:26:28,019 --> 00:26:30,221 TO THE LAUNCH SITE. 649 00:26:30,221 --> 00:26:33,525 THAT MEANS WE TAKE IT TO -- WE 650 00:26:33,525 --> 00:26:36,494 SHIP IT FROM COLORADO TO FLORIDA 651 00:26:36,494 --> 00:26:41,099 OUT HERE AT KSC. 652 00:26:41,099 --> 00:26:42,667 AS YOU CAN SEE FROM THE VIDEO, 653 00:26:42,667 --> 00:26:45,403 SHIPPING IS A COMPLEX PROCESS. 654 00:26:45,403 --> 00:26:47,372 WE HAVE TO GET EVERY PART OF IT 655 00:26:47,372 --> 00:26:50,108 RIGHT, IT'S VERY COMPLICATED ON 656 00:26:50,108 --> 00:26:51,776 ANY SPACECRAFT DESIGN. 657 00:26:51,776 --> 00:26:53,411 IT'S IMPORTANT TO GET IT RIGHT. 658 00:26:53,411 --> 00:26:55,513 THE VEHICLE IS ENCASED IN ITS 659 00:26:55,513 --> 00:26:57,949 OWN MINI CLEAN ROOM, SHIPPING 660 00:26:57,949 --> 00:26:59,684 CONTAINER THAT IS 661 00:26:59,684 --> 00:27:01,386 ENVIRONMENTALLY CONTROLLED AND 662 00:27:01,386 --> 00:27:03,355 PURGED FOR THE RIDE OUT ON THE 663 00:27:03,355 --> 00:27:06,324 C-17 WHICH WE TAKE A RIDE OUT ON 664 00:27:06,324 --> 00:27:08,860 THE C-17 AND FLY IT OFF TO 665 00:27:08,860 --> 00:27:09,628 FLORIDA. 666 00:27:09,628 --> 00:27:11,930 I GOT TO BE ON THE AIRPLANE WITH 667 00:27:11,930 --> 00:27:14,232 THE SPACECRAFT WHICH WAS REALLY 668 00:27:14,232 --> 00:27:15,567 COOL ALONG WITH THE OTHER 669 00:27:15,567 --> 00:27:17,636 TEAMMATES, THAT WAS INTERESTING. 670 00:27:17,636 --> 00:27:19,504 AND THEN WE MOVED ABOUT 30 671 00:27:19,504 --> 00:27:20,939 PEOPLE DOWN HERE TO FLORIDA TO 672 00:27:20,939 --> 00:27:22,641 DO LAUNCH PREPARATIONS ON THE 673 00:27:22,641 --> 00:27:23,742 VEHICLE. 674 00:27:23,742 --> 00:27:25,710 SO THAT'S THE NEXT PIECE OF THIS 675 00:27:25,710 --> 00:27:28,480 AND I'M GOING TO HAND IT OVER TO 676 00:27:28,480 --> 00:27:30,215 DONYA DOUGLAS-BRADSHAW WHO IS 677 00:27:30,215 --> 00:27:32,317 THE PROJECT MANAGER FOR THIS 678 00:27:32,317 --> 00:27:33,618 SPACE MISSION. 679 00:27:33,618 --> 00:27:34,819 DONYA, OVER TO YOU. 680 00:27:34,819 --> 00:27:35,820 >> THANK YOU. 681 00:27:35,820 --> 00:27:37,255 THANK YOU VERY MUCH, RICH. 682 00:27:37,255 --> 00:27:39,124 THANK YOU FOR THAT. 683 00:27:39,124 --> 00:27:40,759 THOSE WHO HAVE BEEN WATCHING ALL 684 00:27:40,759 --> 00:27:47,932 OF THE PRESENTATIONS, IT'S WHAT 685 00:27:47,932 --> 00:27:50,335 A PROJECT MANAGER HAS TO DO IS 686 00:27:50,335 --> 00:27:56,608 FIND SOLUTIONS WHEN PROBLEMS 687 00:27:56,608 --> 00:28:01,379 COME UP. 688 00:28:01,379 --> 00:28:04,482 I AM THE LUCY PROJECT MANAGER AT 689 00:28:04,482 --> 00:28:06,785 NASA GODDARD. 690 00:28:06,785 --> 00:28:08,420 YOU HAVE HEARD FROM AMAZING 691 00:28:08,420 --> 00:28:10,522 FOLKS ON THE PROJECT, WHAT YOU 692 00:28:10,522 --> 00:28:12,624 ARE GOING TO HEAR FROM ME IS 693 00:28:12,624 --> 00:28:17,662 JUST A LITTLE BIT ABOUT OUR 694 00:28:17,662 --> 00:28:21,733 EXECUTION HERE AT KSC AND THE 695 00:28:21,733 --> 00:28:23,368 REST OF THE WORK LEADING UP TO 696 00:28:23,368 --> 00:28:24,002 LAUNCH. 697 00:28:24,002 --> 00:28:25,870 LET ME START OFF BY SAYING I AM 698 00:28:25,870 --> 00:28:30,508 SO EXCITED TO BE LESS THAN THREE 699 00:28:30,508 --> 00:28:32,277 WEEKS FROM THE OPENING OF OUR 700 00:28:32,277 --> 00:28:36,347 PLANETARY LAUNCH WINDOW. 701 00:28:36,347 --> 00:28:37,882 IT'S HARD TO BELIEVE THAT WE 702 00:28:37,882 --> 00:28:39,451 HAVE MANAGED TO GET TO THIS 703 00:28:39,451 --> 00:28:40,218 POINT. 704 00:28:40,218 --> 00:28:41,419 WE HAVE MANAGED TO GET TO THIS 705 00:28:41,419 --> 00:28:44,189 POINT IN THE PANDEMIC. 706 00:28:44,189 --> 00:28:45,690 RICH TALKED ABOUT THE WORK THAT 707 00:28:45,690 --> 00:28:49,661 WAS DONE. 708 00:28:49,661 --> 00:28:51,329 ONCE WE LANDED HERE AT THE END 709 00:28:51,329 --> 00:28:53,631 OF JULY, WE HAD ABOUT SEVEN 710 00:28:53,631 --> 00:28:56,968 WEEKS OF STAND-ALONE WORK, WORK 711 00:28:56,968 --> 00:28:59,704 IN A THE SPACECRAFT NEEDED TO DO 712 00:28:59,704 --> 00:29:02,841 BEFORE BEING INTEGRATED INTO OR 713 00:29:02,841 --> 00:29:06,211 ON TOP OF THE LAUNCH VEHICLE. 714 00:29:06,211 --> 00:29:07,879 THE BULK OF THAT WORK HAS BEEN 715 00:29:07,879 --> 00:29:08,313 COMPLETE. 716 00:29:08,313 --> 00:29:10,849 ANY TIME YOU HAVE A MAJOR 717 00:29:10,849 --> 00:29:13,051 CONFIGURATION CHANGE, ONE OF THE 718 00:29:13,051 --> 00:29:14,452 THINGS YOU WANT TO DO IS YOU 719 00:29:14,452 --> 00:29:16,888 WANT TO COMPLETE SOME FUNCTIONAL 720 00:29:16,888 --> 00:29:20,091 TESTING IN SECTIONS TO VERIFY 721 00:29:20,091 --> 00:29:22,293 THE PERFORMANCE AND COMPARE IT 722 00:29:22,293 --> 00:29:24,462 TO THE BASELINE YOU HAVE 723 00:29:24,462 --> 00:29:25,663 ESTABLISHED THROUGHOUT YOUR 724 00:29:25,663 --> 00:29:28,333 ENVIRONMENTAL CAMPAIGN. 725 00:29:28,333 --> 00:29:30,401 THERE ARE A NUMBER OF WEEKS OF 726 00:29:30,401 --> 00:29:32,070 TESTING, INSPECTING THE 727 00:29:32,070 --> 00:29:36,341 HARDWARE, THE SPACECRAFT WITH 728 00:29:36,341 --> 00:29:39,444 THE SOLAR RAYS INSTALLED, BUT WE 729 00:29:39,444 --> 00:29:43,381 HAD THE HIGH GAIN ANTENNAS. 730 00:29:43,381 --> 00:29:44,582 AT THIS POINT YOU ARE LOOKING AT 731 00:29:44,582 --> 00:29:47,652 A PHOTO OF THE SPACECRAFT, YOU 732 00:29:47,652 --> 00:29:50,522 CAN SEE THE DISK. 733 00:29:50,522 --> 00:29:53,825 THAT'S BEEN RE-INSTALLED. 734 00:29:53,825 --> 00:29:55,059 WE HAVE COMPLETED THE BULK OF 735 00:29:55,059 --> 00:29:57,028 OUR BLANKET CLOSE-OUT IN 736 00:29:57,028 --> 00:29:58,463 PREPARATION FOR LAUNCH. 737 00:29:58,463 --> 00:30:00,331 THE MAJORITY OF THE STAND-ALONE 738 00:30:00,331 --> 00:30:01,533 WORK IS COMPLETE. 739 00:30:01,533 --> 00:30:04,269 WE HAVE ACTUALLY COMPLETED OUR 740 00:30:04,269 --> 00:30:06,471 POWER TESTING AND PRETTY MUCH ON 741 00:30:06,471 --> 00:30:07,238 SCHEDULE. 742 00:30:07,238 --> 00:30:08,573 THIS TEAM HAS DONE AN 743 00:30:08,573 --> 00:30:11,209 EXCEPTIONAL JOB. 744 00:30:11,209 --> 00:30:13,545 NOT ONLY EXECUTING THE PLAN, BUT 745 00:30:13,545 --> 00:30:15,847 DOING IT IN A MANNER THAT HAS 746 00:30:15,847 --> 00:30:19,784 KEPT THE TEAM SAFE. 747 00:30:19,784 --> 00:30:23,488 THEN UNDER COVID-19, ADHERING TO 748 00:30:23,488 --> 00:30:25,690 PROTOCOLS WE PUT IN PLACE FOR 749 00:30:25,690 --> 00:30:26,891 THE PROJECT. 750 00:30:26,891 --> 00:30:28,426 SO WE ARE PRETTY EXCITED BECAUSE 751 00:30:28,426 --> 00:30:31,496 WE ARE CURRENTLY PREPPING FOR 752 00:30:31,496 --> 00:30:33,932 ENCAPSULATION WHICH IS WHEN WE 753 00:30:33,932 --> 00:30:36,034 INSTALL THE SPACECRAFT INTO OUR 754 00:30:36,034 --> 00:30:40,872 PAYLOAD FERRING. 755 00:30:40,872 --> 00:30:42,207 THAT'S GOING TO START TOMORROW. 756 00:30:42,207 --> 00:30:44,642 WE SHOULD HAVE IT FULLY ENCAPS 757 00:30:44,642 --> 00:30:46,611 LATED BY NEXT WEEK AND THEN 758 00:30:46,611 --> 00:30:49,013 WE'LL TRANSPORT OUT TO THE 759 00:30:49,013 --> 00:30:51,683 VETERAN CAM INTEGRATION FACILITY 760 00:30:51,683 --> 00:30:54,085 OUT AT THE PAD. 761 00:30:54,085 --> 00:30:55,753 AND WE'LL BE HOISTED ON TOP OF 762 00:30:55,753 --> 00:30:58,056 THE LAUNCH VEHICLE. 763 00:30:58,056 --> 00:31:00,158 THINGS ARE MOVING REALLY 764 00:31:00,158 --> 00:31:02,293 QUICKLY. 765 00:31:02,293 --> 00:31:06,364 AND WE HAVE A LOT OF ACTIVITIES, 766 00:31:06,364 --> 00:31:08,600 A LOT OF REVIEWS AND ADDITIONAL 767 00:31:08,600 --> 00:31:10,568 CHECKOUTS IN TESTING THAT WE ARE 768 00:31:10,568 --> 00:31:11,769 GOING TO DO ONCE WE ARE 769 00:31:11,769 --> 00:31:13,872 INTEGRATED ON TO THE LAUNCH 770 00:31:13,872 --> 00:31:14,739 VEHICLE. 771 00:31:14,739 --> 00:31:16,407 BUT LASTLY, I WANT TO TALK ABOUT 772 00:31:16,407 --> 00:31:18,276 WHAT REALLY IS THE MOST 773 00:31:18,276 --> 00:31:19,344 IMPORTANT THING ABOUT THIS 774 00:31:19,344 --> 00:31:22,013 PROJECT, BEYOND THE SCIENCE. 775 00:31:22,013 --> 00:31:24,983 WHEN YOU THINK ABOUT ALL THE 776 00:31:24,983 --> 00:31:26,417 HUNDREDS OF FOLKS THAT HAVE 777 00:31:26,417 --> 00:31:28,720 TOUCHED THIS SPACECRAFT AND 778 00:31:28,720 --> 00:31:31,356 TOUCHED THE INSTRUMENTS ACROSS 779 00:31:31,356 --> 00:31:34,225 ALL OF OUR PARTNERS, HAL, THE 780 00:31:34,225 --> 00:31:41,266 PI, OUR LEAD, OUR RICH AND 781 00:31:41,266 --> 00:31:43,134 KEITH, THE PROJECT SCIENTISTS 782 00:31:43,134 --> 00:31:44,669 FROM GODDARD. 783 00:31:44,669 --> 00:31:45,670 AND THEN OUR INSTRUMENT 784 00:31:45,670 --> 00:31:53,244 PROVIDERS, RALPH AT GODDARD, ASU 785 00:31:53,244 --> 00:31:55,313 AS WELL AS LORI FROM JOHNS 786 00:31:55,313 --> 00:31:58,950 HOPKINS APPLIED PHYSICS LAB. 787 00:31:58,950 --> 00:32:01,719 IN ADDITION TO THAT, KINETICS 788 00:32:01,719 --> 00:32:03,488 WHICH IS PROVIDING THE 789 00:32:03,488 --> 00:32:06,658 NAVIGATION AND KSC WHICH IS 790 00:32:06,658 --> 00:32:08,993 PROVIDING LAUNCH SERVICES. 791 00:32:08,993 --> 00:32:10,628 WERE IT NOT FOR THIS AMAZING 792 00:32:10,628 --> 00:32:12,497 TEAM OF TALENTED FOLKS, WE 793 00:32:12,497 --> 00:32:14,365 WOULDN'T BE WHERE WE ARE TODAY. 794 00:32:14,365 --> 00:32:17,669 I CERTAINLY OWE THEM A DEBT OF 795 00:32:17,669 --> 00:32:21,205 GRATITUDE AND WANT TO EXPRESS 796 00:32:21,205 --> 00:32:23,474 AWESOME THIS TEAM HAS BEEN. 797 00:32:23,474 --> 00:32:25,009 WITH THAT, I TURN IT BACK OVER 798 00:32:25,009 --> 00:32:27,779 TO ALANNA. 799 00:32:27,779 --> 00:32:30,515 >> THANK YOU, DONYA, VERY MUCH. 800 00:32:30,515 --> 00:32:31,716 THANK YOU FOR SHOWING TRUE 801 00:32:31,716 --> 00:32:34,118 LEADERSHIP BY EXAMPLE AND 802 00:32:34,118 --> 00:32:36,321 WORKING IN UNFORESEEN TECHNICAL 803 00:32:36,321 --> 00:32:37,422 CHALLENGES. 804 00:32:37,422 --> 00:32:39,223 THAT'S WHAT WE DO. 805 00:32:39,223 --> 00:32:40,525 YOU WERE THE RIGHT PERSON TO 806 00:32:40,525 --> 00:32:43,494 JUST SHOW WE ADAPT AND OVERCOME, 807 00:32:43,494 --> 00:32:46,130 AND YOU SWITCHED IT ON THE FLY. 808 00:32:46,130 --> 00:32:47,799 IT ALL WORKED. 809 00:32:47,799 --> 00:32:49,667 SO NOW WE'LL BE BRINGING IN OUR 810 00:32:49,667 --> 00:32:53,972 MEDIA LINE OPERATOR, ALI, TO 811 00:32:53,972 --> 00:32:55,406 OPEN UP THE KEY FOR OUR 812 00:32:55,406 --> 00:32:57,275 REPORTERS WHO HAVE CALLED IN. 813 00:32:57,275 --> 00:32:59,610 IF YOU ARE A MEMBER OF THE MEDIA 814 00:32:59,610 --> 00:33:03,481 ON THE TELECOM LINES, PRESS 815 00:33:03,481 --> 00:33:05,783 STAR-1 TO BE PLACED INTO THE 816 00:33:05,783 --> 00:33:06,684 CUE. 817 00:33:06,684 --> 00:33:08,186 ANYONE WATCHING THIS BRIEFING 818 00:33:08,186 --> 00:33:10,288 CAN ALSO REQUEST A QUESTION 819 00:33:10,288 --> 00:33:17,996 USING A #ASKNASA. 820 00:33:17,996 --> 00:33:19,197 OVER TO YOU, ALI. 821 00:33:19,197 --> 00:33:20,331 >> GREAT. 822 00:33:20,331 --> 00:33:22,533 AS STATED, TO ASK A QUESTION, 823 00:33:22,533 --> 00:33:25,570 PLEASE DIAL STAR-1 NOW. 824 00:33:25,570 --> 00:33:26,104 ALL RIGHT. 825 00:33:26,104 --> 00:33:27,772 AND WE WILL WAIT JUST A MOMENT 826 00:33:27,772 --> 00:33:31,376 FOR THE QUESTION TO CUE UP HERE. 827 00:33:31,376 --> 00:33:32,510 ALL RIGHT. 828 00:33:32,510 --> 00:33:34,245 AND WE DO HAVE SOME QUESTIONS IN 829 00:33:34,245 --> 00:33:35,246 THE CUE. 830 00:33:35,246 --> 00:33:39,984 THIS COMES FROM JEFF FAUST, 831 00:33:39,984 --> 00:33:41,085 SPACE NEWS. 832 00:33:41,085 --> 00:33:42,286 YOUR LINE IS OPEN. 833 00:33:42,286 --> 00:33:43,821 >> THANK YOU. 834 00:33:43,821 --> 00:33:46,024 QUESTION PROBABLY FOR LORI 835 00:33:46,024 --> 00:33:47,892 GLAZE. 836 00:33:47,892 --> 00:33:49,193 WE ARE RUNNING THE RISK OF A 837 00:33:49,193 --> 00:33:50,762 GOVERNMENT SHUTDOWN. 838 00:33:50,762 --> 00:33:51,863 THAT HAPPENS AT THE END OF THIS 839 00:33:51,863 --> 00:33:52,630 WEEK. 840 00:33:52,630 --> 00:33:53,498 DO YOU HAVE AN EXCEPTION TO 841 00:33:53,498 --> 00:33:57,235 ALLOW PROCESSING FOR THE LUCY 842 00:33:57,235 --> 00:33:59,904 LAUNCH TO CONTINUE GIVEN THE 843 00:33:59,904 --> 00:34:01,706 TIGHT LAUNCH WINDOW AND 844 00:34:01,706 --> 00:34:06,744 SIMILARLY, DART HAS A NARROW 845 00:34:06,744 --> 00:34:08,413 LAUNCH WINDOW IN NOVEMBER. 846 00:34:08,413 --> 00:34:10,314 >> THANK YOU FOR THAT QUESTION. 847 00:34:10,314 --> 00:34:11,849 AS ALL THE AGENCIES ARE DOING 848 00:34:11,849 --> 00:34:13,718 RIGHT NOW, WE ARE KEEPING A 849 00:34:13,718 --> 00:34:15,586 CLOSE EYE ON WHAT'S GOING ON, 850 00:34:15,586 --> 00:34:17,555 HOPING THAT WE CAN ALL GET A 851 00:34:17,555 --> 00:34:19,223 CONTINUING RESOLUTION TO 852 00:34:19,223 --> 00:34:20,324 CONTINUE OPERATING. 853 00:34:20,324 --> 00:34:22,727 AS OF RIGHT NOW, LUCY IS ON 854 00:34:22,727 --> 00:34:24,796 TRACK FOR LAUNCH IN OCTOBER AND 855 00:34:24,796 --> 00:34:33,271 DART IN NOVEMBER. 856 00:34:33,271 --> 00:34:34,705 >> GREAT. 857 00:34:34,705 --> 00:34:36,007 THANK YOU FOR YOUR QUESTION. 858 00:34:36,007 --> 00:34:37,341 OUR NEXT QUESTION COMES FROM 859 00:34:37,341 --> 00:34:39,110 MARCIA DUNN WITH THE ASSOCIATED 860 00:34:39,110 --> 00:34:40,645 PRESS. 861 00:34:40,645 --> 00:34:41,546 YOUR LINE IS OPEN. 862 00:34:41,546 --> 00:34:44,315 >> HELLO. 863 00:34:44,315 --> 00:34:46,517 I HEARD ONE OF THE PRESENTERS 864 00:34:46,517 --> 00:34:48,252 MENTION THAT THE SPACECRAFT WILL 865 00:34:48,252 --> 00:34:50,455 COME WITHIN 600 MILES OF THESE 866 00:34:50,455 --> 00:34:51,556 ASTEROIDS. 867 00:34:51,556 --> 00:34:53,324 WHAT'S THE CLOSEST APPROACH 868 00:34:53,324 --> 00:34:55,093 BETWEEN ANY OF THE ASTEROIDS AND 869 00:34:55,093 --> 00:34:56,861 THE SPACECRAFT? 870 00:34:56,861 --> 00:34:57,962 HOW DID YOU PICK THESE 871 00:34:57,962 --> 00:35:02,400 PARTICULAR ASTEROIDS IN THE 872 00:35:02,400 --> 00:35:05,236 TROJANS, HOW MANY ARE OUT THERE, 873 00:35:05,236 --> 00:35:07,672 IT LOOKS SWARMY AND WHAT'S THE 874 00:35:07,672 --> 00:35:09,307 RISK OF RUNNING INTO THEM AND 875 00:35:09,307 --> 00:35:10,508 COLLIDING. 876 00:35:10,508 --> 00:35:13,177 THANK YOU. 877 00:35:13,177 --> 00:35:15,379 >> I DON'T KNOW, HAL, DO YOU 878 00:35:15,379 --> 00:35:16,147 WANT ME? 879 00:35:16,147 --> 00:35:19,884 >> WHY DON'T I START WITH THAT. 880 00:35:19,884 --> 00:35:25,456 SURE, I WILL START WITH THAT AND 881 00:35:25,456 --> 00:35:27,458 HAND IT OFF TO KEITH IN A COUPLE 882 00:35:27,458 --> 00:35:28,326 OF MINUTES. 883 00:35:28,326 --> 00:35:34,398 WE CHOSE OUR TARGETS, ACTUALLY, 884 00:35:34,398 --> 00:35:36,467 WE WERE PRETTY LUCKY TO BE ABLE 885 00:35:36,467 --> 00:35:39,103 TO GET THE DIVERSITY WE HAVE. 886 00:35:39,103 --> 00:35:40,771 WE STARTED OFF LOOKING FOR A 887 00:35:40,771 --> 00:35:43,741 PAIR OF OBJECTS, ONE GRAY AND 888 00:35:43,741 --> 00:35:45,810 ONE RED, THAT WERE SIMILAR ONE 889 00:35:45,810 --> 00:35:48,579 ANOTHER, SO WE COULD COMPARE THE 890 00:35:48,579 --> 00:35:50,314 COLORS DIRECTLY. 891 00:35:50,314 --> 00:35:54,085 BUT THAT GREW SIMPLY BECAUSE MY 892 00:35:54,085 --> 00:35:59,490 TRAINING IS DOING DYNAMICS. 893 00:35:59,490 --> 00:36:01,125 I SPENT 40 YEARS WORSHIPING AT 894 00:36:01,125 --> 00:36:05,229 THE FEET OF THE MECHANICS GODS. 895 00:36:05,229 --> 00:36:06,564 THEY ARE PAYING US BACK. 896 00:36:06,564 --> 00:36:08,966 THIS IS AN AMAZING TRAJECTORY 897 00:36:08,966 --> 00:36:10,501 THAT WILL NOT BE POSSIBLE AGAIN 898 00:36:10,501 --> 00:36:14,138 IN THE NEAR FUTURE. 899 00:36:14,138 --> 00:36:15,339 AND WE LOOKED. 900 00:36:15,339 --> 00:36:17,975 A LOT OF IT WAS SIMPLY JUST 901 00:36:17,975 --> 00:36:19,644 LUCK. 902 00:36:19,644 --> 00:36:21,078 BUT I WILL HAND OVER THE 903 00:36:21,078 --> 00:36:23,447 QUESTION TO HOW CLOSE WE ARE 904 00:36:23,447 --> 00:36:26,317 GETTING BACK TO KEITH SINCE HE'S 905 00:36:26,317 --> 00:36:28,152 THE ONE WHO MENTIONED IT IN THE 906 00:36:28,152 --> 00:36:30,054 FIRST PLACE. 907 00:36:30,054 --> 00:36:32,890 >> SO FOR MOST OF THE TARGETS WE 908 00:36:32,890 --> 00:36:35,860 ARE GOING ABOUT 600 MILES. 909 00:36:35,860 --> 00:36:38,729 FOR ONE OF OUR SMALLEST TARGETS, 910 00:36:38,729 --> 00:36:40,698 WE ARE GOING CLOSER. 911 00:36:40,698 --> 00:36:42,800 I CAN TELL YOU IN KILOMETERS, 912 00:36:42,800 --> 00:36:45,036 I'M NOT SURE I WANT TO TRY TO 913 00:36:45,036 --> 00:36:47,438 CONVERT TO MILES ON THE FLY, BUT 914 00:36:47,438 --> 00:36:49,540 IT'S ABOUT 250 MILES. 915 00:36:49,540 --> 00:36:50,541 AND THAT'S DETERMINED BY 916 00:36:50,541 --> 00:36:51,542 TRADE-OFF. 917 00:36:51,542 --> 00:36:53,277 WE WANT TO GO CLOSE ENOUGH THAT 918 00:36:53,277 --> 00:36:56,614 WE CAN GET ENOUGH OF A VELOCITY 919 00:36:56,614 --> 00:36:58,816 CHANGE FROM THE GRAVITY OF THE 920 00:36:58,816 --> 00:37:00,451 TROJAN ITSELF THAT WE CAN 921 00:37:00,451 --> 00:37:02,253 MEASURE THE MASS. 922 00:37:02,253 --> 00:37:04,322 AND WE ALSO WANT TO BE CLOSE 923 00:37:04,322 --> 00:37:08,526 ENOUGH THAT WE CAN SEE DETAIL ON 924 00:37:08,526 --> 00:37:10,728 THE SURFACES SO THAT WE CAN GET 925 00:37:10,728 --> 00:37:13,931 THIS HUNDRED TIMES RANGE AT 926 00:37:13,931 --> 00:37:16,901 LEAST. 927 00:37:16,901 --> 00:37:19,837 BUT IF WE GOT TOO CLOSE, THEN 928 00:37:19,837 --> 00:37:21,739 DURING THE CLOSEST APPROACH, 929 00:37:21,739 --> 00:37:23,641 IT'S DIFFICULT TO TRACK THE 930 00:37:23,641 --> 00:37:25,409 SPACECRAFT, YOU CAN GET SOME 931 00:37:25,409 --> 00:37:26,310 SMEARING. 932 00:37:26,310 --> 00:37:28,045 SO THERE IS A TRADE-OFF. 933 00:37:28,045 --> 00:37:29,247 THE RANGE THAT WE HAVE IS THE 934 00:37:29,247 --> 00:37:31,015 OPTIMAL RANGE. 935 00:37:31,015 --> 00:37:32,316 WE HAVE THE OPPORTUNITY TO TWEAK 936 00:37:32,316 --> 00:37:35,186 THOSE AROUND A LITTLE BIT. 937 00:37:35,186 --> 00:37:39,023 BUT MORE OR LESS IT'S ROUGHLY IN 938 00:37:39,023 --> 00:37:41,025 THAT MILE RANGE. 939 00:37:41,025 --> 00:37:42,560 ONE THING YOU ASKED ABOUT IS THE 940 00:37:42,560 --> 00:37:44,128 NUMBER OF TROJANS. 941 00:37:44,128 --> 00:37:45,863 RIGHT NOW THERE'S OVER 7,000 942 00:37:45,863 --> 00:37:48,733 NUMBERED TROJAN, MORE BEING 943 00:37:48,733 --> 00:37:49,734 DISCOVERED. 944 00:37:49,734 --> 00:37:51,936 ALL THE BIG ONES ARE KNOWN. 945 00:37:51,936 --> 00:37:53,904 GETTING BACK TO WHAT HAL WAS 946 00:37:53,904 --> 00:37:56,207 SAYING ABOUT BEING LUCKY WITH 947 00:37:56,207 --> 00:37:59,410 THE TARGETS, THE LARGER ONES ARE 948 00:37:59,410 --> 00:38:02,079 BETTER SUITED FOR A FLY-BY 949 00:38:02,079 --> 00:38:03,948 MISSION, FOR THE SMALL TARGETS, 950 00:38:03,948 --> 00:38:05,916 THEY ARE SO SMALL, YOU GO BY 951 00:38:05,916 --> 00:38:07,885 PRETTY QUICKLY AND YOU DON'T GET 952 00:38:07,885 --> 00:38:10,421 A CHANCE TO HAVE A LOT OF DETAIL 953 00:38:10,421 --> 00:38:12,089 OBSERVATIONS THE WAY WE WILL 954 00:38:12,089 --> 00:38:18,996 WITH OUR LARGER TARGETS. 955 00:38:18,996 --> 00:38:25,670 >> I WOULD LIKE TO FOLLOW-UP. 956 00:38:25,670 --> 00:38:27,438 >> WHAT'S THE CHANCES OF GETTING 957 00:38:27,438 --> 00:38:29,740 HIT BY ONE OF THESE 7,000 OR 958 00:38:29,740 --> 00:38:31,609 MORE TROJANS. 959 00:38:31,609 --> 00:38:34,912 >> WELL, THE 7,000 ARE NUMBERED 960 00:38:34,912 --> 00:38:36,447 TROJANS. 961 00:38:36,447 --> 00:38:37,882 THERE ARE MANY, MANY MORE OF 962 00:38:37,882 --> 00:38:40,184 THEM THAN THAT. 963 00:38:40,184 --> 00:38:42,186 THE POPULATION RIVALS THAT OF 964 00:38:42,186 --> 00:38:45,256 THE MAIN ASTEROID BELT. 965 00:38:45,256 --> 00:38:47,091 SO THERE ARE QUITE A FEW. 966 00:38:47,091 --> 00:38:48,659 BUT EVEN THOSE ARE A LOT OF 967 00:38:48,659 --> 00:38:50,494 THEM. 968 00:38:50,494 --> 00:38:53,264 THEY ARE STILL VERY FAR APART. 969 00:38:53,264 --> 00:38:56,133 IF YOU WERE STANDING ON ANY OF 970 00:38:56,133 --> 00:38:59,437 OUR TARGETS, YOU COULDN'T TELL 971 00:38:59,437 --> 00:39:02,139 YOU WERE PART OF THE SWARM. 972 00:39:02,139 --> 00:39:06,077 THEY HIT EACH OTHER RARELY. 973 00:39:06,077 --> 00:39:09,146 IT'S ESSENTIALLY A ZERO PERCENT 974 00:39:09,146 --> 00:39:10,915 PROBABILITY THAT WE'LL HIT 975 00:39:10,915 --> 00:39:13,250 SOMETHING LIKE A SOLID BODY AS 976 00:39:13,250 --> 00:39:15,753 WE GO THROUGH THESE SWARMS. 977 00:39:15,753 --> 00:39:16,287 WE HAVE GONE THROUGH THE 978 00:39:16,287 --> 00:39:18,389 ASTEROID BELT, WHICH IS MORE 979 00:39:18,389 --> 00:39:20,358 DENSE THAN THE TROJANS, MANY, 980 00:39:20,358 --> 00:39:22,660 MANY TIMES, AND NEVER HAD A 981 00:39:22,660 --> 00:39:27,264 PROBLEM. 982 00:39:27,264 --> 00:39:30,768 >> OKAY. 983 00:39:30,768 --> 00:39:31,235 GREAT. 984 00:39:31,235 --> 00:39:32,336 THANK YOU FOR YOUR QUESTION. 985 00:39:32,336 --> 00:39:33,971 OUR NEXT QUESTION COMES FROM 986 00:39:33,971 --> 00:39:36,841 MIKE WALL WITH SPACE.COM. 987 00:39:36,841 --> 00:39:38,376 YOUR MIC IS OPEN, GO AHEAD WITH 988 00:39:38,376 --> 00:39:39,677 YOUR QUESTION, PLEASE. 989 00:39:39,677 --> 00:39:42,580 >> THANK YOU. 990 00:39:42,580 --> 00:39:44,782 THIS IS PROBABLY ALSO FOR HAL OR 991 00:39:44,782 --> 00:39:45,316 KEITH. 992 00:39:45,316 --> 00:39:46,951 SINCE YOU ARE SPENDING A LOT OF 993 00:39:46,951 --> 00:39:58,229 TIME DURING THE FLY-BYES, ARE 994 00:39:58,229 --> 00:40:00,197 YOU GOING TO DO ANY SCIENCE 995 00:40:00,197 --> 00:40:03,367 WORK? 996 00:40:03,367 --> 00:40:05,136 >> I GUESS I CAN TAKE THAT ONE 997 00:40:05,136 --> 00:40:07,571 AS WELL. 998 00:40:07,571 --> 00:40:08,973 WE ARE BEGINNING TO THINK ABOUT 999 00:40:08,973 --> 00:40:11,075 IT. 1000 00:40:11,075 --> 00:40:13,844 UP TO THIS POINT WE HAVE BEEN 1001 00:40:13,844 --> 00:40:18,582 CONCENTRATING ON WHAT WE'LL DO 1002 00:40:18,582 --> 00:40:20,317 WITH THE ENCOUNTERS THEM 1003 00:40:20,317 --> 00:40:21,419 SATISFIES. 1004 00:40:21,419 --> 00:40:26,357 WE ARE DEVELOPING PLANS FOR WHEN 1005 00:40:26,357 --> 00:40:27,792 WE ARE IN CRUISE. 1006 00:40:27,792 --> 00:40:29,326 THOSE ARE JUST BEING DEVELOPED 1007 00:40:29,326 --> 00:40:32,196 EVEN AS WE SPEAK. 1008 00:40:32,196 --> 00:40:34,832 >> AND IF I MAY, HAL, I WILL ADD 1009 00:40:34,832 --> 00:40:38,469 ONE DETAIL. 1010 00:40:38,469 --> 00:40:42,873 FOR L-RALPH, TYPICALLY THE 1011 00:40:42,873 --> 00:40:45,843 INFRARED PORTION, BECAUSE IT'S 1012 00:40:45,843 --> 00:40:51,882 AN INFRARED, IT HAS TO BE COLD 1013 00:40:51,882 --> 00:40:52,983 TO OPERATE. 1014 00:40:52,983 --> 00:40:54,518 WE DON'T HAVE A COOL AIR ON 1015 00:40:54,518 --> 00:40:55,186 BOARD. 1016 00:40:55,186 --> 00:40:57,721 IT'S PASSIVELY DOOM BY RADIATING 1017 00:40:57,721 --> 00:40:59,023 TO SPACE. 1018 00:40:59,023 --> 00:41:01,225 WHEN WE ARE CLOSE TO THE EARTH, 1019 00:41:01,225 --> 00:41:03,461 WE ARE MORE THAN LIKELY TOO WARM 1020 00:41:03,461 --> 00:41:05,329 TO USE LISA FOR ANY 1021 00:41:05,329 --> 00:41:09,200 MEASUREMENTS. 1022 00:41:09,200 --> 00:41:10,835 >> OKAY. 1023 00:41:10,835 --> 00:41:12,403 WE ARE GOING TO JUMP ON OVER TO 1024 00:41:12,403 --> 00:41:14,271 SOME SOCIAL MEDIA QUESTIONS THAT 1025 00:41:14,271 --> 00:41:16,807 KEEP POURING IN FOR US. 1026 00:41:16,807 --> 00:41:21,545 I'M GOING TO START WITH EZRA ON 1027 00:41:21,545 --> 00:41:23,614 TWITTER ASKS, WHAT WILL THE LUCY 1028 00:41:23,614 --> 00:41:25,049 MISSION DO AFTER IT HAS 1029 00:41:25,049 --> 00:41:28,919 COMPLETED ITS PRIMARY MISSION? 1030 00:41:28,919 --> 00:41:31,222 I THINK I MIGHT HAVE HAL TAKE 1031 00:41:31,222 --> 00:41:32,089 THAT ONE. 1032 00:41:32,089 --> 00:41:34,058 >> I WOULD BE HAPPY TO TAKE THAT 1033 00:41:34,058 --> 00:41:36,160 ONE. 1034 00:41:36,160 --> 00:41:38,462 WELL, IF THE SPACECRAFT IS 1035 00:41:38,462 --> 00:41:40,130 HEALTHY AND THERE IS FUEL LEFT, 1036 00:41:40,130 --> 00:41:42,199 THERE ARE CERTAIN -- MANY 1037 00:41:42,199 --> 00:41:43,968 OPPORTUNITIES. 1038 00:41:43,968 --> 00:41:45,970 WE ARE PUTTING IT ON THIS ORBIT 1039 00:41:45,970 --> 00:41:48,138 WITH CLOSE APPROACH DISTANCE, A 1040 00:41:48,138 --> 00:41:50,140 LITTLE CLOSER THAN THE EARTH'S 1041 00:41:50,140 --> 00:41:51,242 ORBIT TO THE SUN. 1042 00:41:51,242 --> 00:41:57,748 DISTANCE, IT'S A LITTLE BEYOND. 1043 00:41:57,748 --> 00:41:59,717 IT TURNS OUT THAT THAT IS AN 1044 00:41:59,717 --> 00:42:02,052 INCREDIBLY STABLE ORBIT. 1045 00:42:02,052 --> 00:42:04,822 WE ESTIMATE THAT THE SPACECRAFT 1046 00:42:04,822 --> 00:42:07,358 WILL STAY IN ORBIT LIKE THAT FOR 1047 00:42:07,358 --> 00:42:09,693 OVER A MILLION YEARS ON AVERAGE. 1048 00:42:09,693 --> 00:42:14,431 BUT FOR THE NEAR TIME, IF THE 1049 00:42:14,431 --> 00:42:16,066 SPACECRAFT IS HEALTHY, WE HAVE 1050 00:42:16,066 --> 00:42:18,269 ALTERNATIVES THAT WE CAN GO TO. 1051 00:42:18,269 --> 00:42:20,671 I THINK WE FOUND A LIST OF 15 OR 1052 00:42:20,671 --> 00:42:24,808 20 FOLLOW-UP OBJECTS. 1053 00:42:24,808 --> 00:42:28,145 TO NOT ALL UP TO NASA TO DECIDE 1054 00:42:28,145 --> 00:42:29,680 WHETHER THEY WANT TO DO THAT OR 1055 00:42:29,680 --> 00:42:30,314 NOT. 1056 00:42:30,314 --> 00:42:31,315 >> OKAY. 1057 00:42:31,315 --> 00:42:31,649 GREAT. 1058 00:42:31,649 --> 00:42:33,951 I DO HAVE ONE MORE QUESTION FROM 1059 00:42:33,951 --> 00:42:35,719 ROGER ON Facebook. 1060 00:42:35,719 --> 00:42:37,821 THIS IS A FUN ONE THAT I THINK 1061 00:42:37,821 --> 00:42:42,693 HAL AND KEITH, YOU CAN PROBABLY 1062 00:42:42,693 --> 00:42:44,562 ALSO TALK TO THIS, ACTUALLY, 1063 00:42:44,562 --> 00:42:46,096 ANYBODY CAN. 1064 00:42:46,096 --> 00:42:48,299 ROGER ON Facebook ASKS, LUCY 1065 00:42:48,299 --> 00:42:52,036 IS NAMED AFTER THE LUCY FOSSIL. 1066 00:42:52,036 --> 00:42:54,805 LUCY THE FOSSIL WAS NAMED AFTER 1067 00:42:54,805 --> 00:42:59,743 THE BEATLE'S SONG "LUCY IN THE 1068 00:42:59,743 --> 00:43:01,946 SKY WITH DIAMONDS." 1069 00:43:01,946 --> 00:43:04,415 DOES THE LUCY MISSION HAVE ANY 1070 00:43:04,415 --> 00:43:06,517 DIAMONDS ON BOARD? 1071 00:43:06,517 --> 00:43:09,920 >> YOU TAKE THIS ONE, KEITH. 1072 00:43:09,920 --> 00:43:11,889 >> WE DO. 1073 00:43:11,889 --> 00:43:15,059 IN FACT, AN INSTRUMENT HAS 1074 00:43:15,059 --> 00:43:17,161 DIAMOND BEAM SPLITTER IN IT. 1075 00:43:17,161 --> 00:43:24,068 IT SPLITS THE LIGHT IN TWO 1076 00:43:24,068 --> 00:43:25,269 DIFFERENT DIRECTIONS AND 1077 00:43:25,269 --> 00:43:26,837 MEASURES THE DIFFERENCES. 1078 00:43:26,837 --> 00:43:33,777 [INDISCERNIBLE] 1079 00:43:33,777 --> 00:43:36,313 >> THAT'S FANTASTIC. 1080 00:43:36,313 --> 00:43:40,818 OF COURSE, IT'S FITTING. 1081 00:43:40,818 --> 00:43:43,153 >> LET ME ALSO POINT OUT IF I 1082 00:43:43,153 --> 00:43:44,688 CAN, WE WERE AWARE OF THAT 1083 00:43:44,688 --> 00:43:46,123 CONNECTION, OF COURSE. 1084 00:43:46,123 --> 00:43:48,325 THAT'S WHY OUR LOGO WAS DIAMOND 1085 00:43:48,325 --> 00:43:51,195 SHAPED, TO MAKE THAT CONNECTION 1086 00:43:51,195 --> 00:43:54,598 WITH THE SONG. 1087 00:43:54,598 --> 00:43:56,367 >> EXCELLENT. 1088 00:43:56,367 --> 00:43:56,900 OKAY. 1089 00:43:56,900 --> 00:43:58,469 WE'LL HAND IT BACK OVER FOR SOME 1090 00:43:58,469 --> 00:44:00,204 MORE MEDIA QUESTIONS. 1091 00:44:00,204 --> 00:44:01,305 ALI? 1092 00:44:01,305 --> 00:44:05,743 >> GREAT. 1093 00:44:05,743 --> 00:44:07,945 THANK YOU, ALANNA. 1094 00:44:07,945 --> 00:44:09,913 TO PICK UP WHERE WE LEFT OFF, 1095 00:44:09,913 --> 00:44:11,782 OUR NEXT QUESTION COMES FROM 1096 00:44:11,782 --> 00:44:14,451 STEVEN CLARK WITH SPACE FLIGHT 1097 00:44:14,451 --> 00:44:16,086 NOW. 1098 00:44:16,086 --> 00:44:17,521 YOUR LINE IS OPEN. 1099 00:44:17,521 --> 00:44:18,622 GO AHEAD WITH YOUR QUESTION, 1100 00:44:18,622 --> 00:44:18,956 PLEASE. 1101 00:44:18,956 --> 00:44:20,257 >> THANK YOU FOR TAKING MY 1102 00:44:20,257 --> 00:44:21,492 QUESTIONS. 1103 00:44:21,492 --> 00:44:24,728 JUST TO FOLLOW-UP ON JEFF 1104 00:44:24,728 --> 00:44:27,931 FAUST'S QUESTION, I WASN'T CLEAR 1105 00:44:27,931 --> 00:44:29,700 IN YOUR RESPONSE IF YOU HAVE 1106 00:44:29,700 --> 00:44:31,568 RECEIVED AN EXCEPTION FROM THE 1107 00:44:31,568 --> 00:44:34,972 ADMINISTRATION TO CONTINUE WORK 1108 00:44:34,972 --> 00:44:38,842 ON LUCY AND DART IN THE EVENT OF 1109 00:44:38,842 --> 00:44:42,479 A GOVERNMENT SHUTDOWN. 1110 00:44:42,479 --> 00:44:44,448 ARE THERE PLANS TO STAY ON TRACK 1111 00:44:44,448 --> 00:44:45,749 IF THAT HAPPENS. 1112 00:44:45,749 --> 00:44:46,750 CAN YOU SHARE THE TOTAL COST OF 1113 00:44:46,750 --> 00:44:48,619 THE LUCY MISSION. 1114 00:44:48,619 --> 00:44:50,254 AND THEN A SCIENCE QUESTION FOR 1115 00:44:50,254 --> 00:44:52,556 HAL OR KEITH. 1116 00:44:52,556 --> 00:44:54,224 CAN YOU TALK ABOUT WHAT WE KNOW 1117 00:44:54,224 --> 00:44:56,560 ABOUT EACH OF THESE OBJECTS FROM 1118 00:44:56,560 --> 00:45:02,733 EARTH OBSERVATIONS, DO WE KNOW 1119 00:45:02,733 --> 00:45:05,469 THEIR SHAPE OR ANYTHING FROM 1120 00:45:05,469 --> 00:45:07,438 TELESCOPE OBSERVATIONS. 1121 00:45:07,438 --> 00:45:07,671 THANKS. 1122 00:45:07,671 --> 00:45:09,106 >> IN ANSWER TO THE FIRST 1123 00:45:09,106 --> 00:45:11,975 QUESTION, STEVEN, THE PROCESS OF 1124 00:45:11,975 --> 00:45:15,713 GETTING EXCEPTIONS, THE REQUEST 1125 00:45:15,713 --> 00:45:17,147 PROCESS IS UNDER WAY. 1126 00:45:17,147 --> 00:45:19,216 IT'S NOT COMPLETED YET. 1127 00:45:19,216 --> 00:45:20,884 BUT WE ARE WORKING ON THAT. 1128 00:45:20,884 --> 00:45:22,519 AS I SAID BEFORE, KEEPING A 1129 00:45:22,519 --> 00:45:25,255 CLOSE EYE ON WHAT'S GOING ON 1130 00:45:25,255 --> 00:45:27,324 WITH CONGRESS AND WITH THE 1131 00:45:27,324 --> 00:45:28,425 BUDGET. 1132 00:45:28,425 --> 00:45:30,627 AND AS I SAID, EVERYTHING IS 1133 00:45:30,627 --> 00:45:32,162 PROCEEDING FORWARD WITH THE 1134 00:45:32,162 --> 00:45:34,131 LAUNCH. 1135 00:45:34,131 --> 00:45:36,133 THE SECOND QUESTION YOU ASKED 1136 00:45:36,133 --> 00:45:37,668 HAS TO DO WITH COST. 1137 00:45:37,668 --> 00:45:39,103 I KNOW I HAVE THAT RIGHT HERE AT 1138 00:45:39,103 --> 00:45:42,306 MY FINGERTIPS. 1139 00:45:42,306 --> 00:45:44,742 THE TOTAL AGENCY COST, THIS IS 1140 00:45:44,742 --> 00:45:48,245 FOR THE ENTIRE MISSION, FROM 1141 00:45:48,245 --> 00:45:50,114 PHASE A ALL THE WAY THROUGH THE 1142 00:45:50,114 --> 00:45:55,285 COMPLETION OF THE 12 YEAR 1143 00:45:55,285 --> 00:45:56,920 OPERATIONS AND ALSO INCLUDED 1144 00:45:56,920 --> 00:45:59,022 HEADQUARTERS RESERVES, THAT 1145 00:45:59,022 --> 00:46:00,691 AGENCY COMMITMENT IS 1146 00:46:00,691 --> 00:46:08,966 981.1 MILLION. 1147 00:46:08,966 --> 00:46:15,139 >> I'M GOING TO ADD. 1148 00:46:15,139 --> 00:46:17,007 I'M GOING TO ASK KEITH, SINCE 1149 00:46:17,007 --> 00:46:19,209 HE'S OUR GROUND BASED OBSERVER 1150 00:46:19,209 --> 00:46:20,944 TO ANSWER THE SECOND PART OF 1151 00:46:20,944 --> 00:46:21,612 THAT QUESTION. 1152 00:46:21,612 --> 00:46:22,846 >> SURE. 1153 00:46:22,846 --> 00:46:24,348 SO WE HAVE BEEN WORKING HARD TO 1154 00:46:24,348 --> 00:46:25,883 TRY TO GET AS MUCH INFORMATION 1155 00:46:25,883 --> 00:46:27,951 AS WE POSSIBLY CAN ABOUT THE 1156 00:46:27,951 --> 00:46:31,054 TARGETS, THE COLORS WERE ALREADY 1157 00:46:31,054 --> 00:46:31,722 KNOWN. 1158 00:46:31,722 --> 00:46:33,891 SO WE HAVE TARGETS THAT ARE EACH 1159 00:46:33,891 --> 00:46:38,095 OF THE THREE MAIN TYPES THAT WE 1160 00:46:38,095 --> 00:46:42,166 FIND IN THE TROJANS, C TYPES, P 1161 00:46:42,166 --> 00:46:45,369 TYPES AND B TYPES, THAT TELLS 1162 00:46:45,369 --> 00:46:47,571 YOU HOW RED THEY ARE. 1163 00:46:47,571 --> 00:46:48,539 WE HAVE DONE A SEARCH FOR 1164 00:46:48,539 --> 00:46:50,307 SATELLITES WITH HUBBLE AND 1165 00:46:50,307 --> 00:46:51,942 THAT'S WHAT RESULTED IN THE 1166 00:46:51,942 --> 00:46:56,346 DETECTION OF KETA, THE SATELLITE 1167 00:46:56,346 --> 00:47:00,784 OF URIBITES. 1168 00:47:00,784 --> 00:47:03,987 KETA IS A FAIRLY WIDE SATELLITE. 1169 00:47:03,987 --> 00:47:05,756 MOST ASTEROID SATELLITES ARE 1170 00:47:05,756 --> 00:47:08,725 CLOSER THAN WE CAN SEE EVEN WITH 1171 00:47:08,725 --> 00:47:09,726 HUBBLE. 1172 00:47:09,726 --> 00:47:12,729 SO LUCY CERTAINLY HAS THE CHANCE 1173 00:47:12,729 --> 00:47:15,799 TO FIND THE SATELLITES. 1174 00:47:15,799 --> 00:47:17,000 WE ARE ALSO INVOLVED IN GROUND 1175 00:47:17,000 --> 00:47:20,838 BASED OBSERVING TO MEASURE THE 1176 00:47:20,838 --> 00:47:24,208 LIGHT CURVE VARIATIONS THAT 1177 00:47:24,208 --> 00:47:26,510 HELPS YOU DETERMINE THE SHAPE. 1178 00:47:26,510 --> 00:47:28,078 AND EVEN MORE POWERFULLY, WE 1179 00:47:28,078 --> 00:47:30,380 HAVE PRETTY EXTENSIVE CAMPAIGN 1180 00:47:30,380 --> 00:47:34,451 OF TRYING TO CATCH THESE 1181 00:47:34,451 --> 00:47:36,220 ASTEROID TARGETS WHEN THEY PASS 1182 00:47:36,220 --> 00:47:39,623 IN FRONT OF BRIGHT STARS. 1183 00:47:39,623 --> 00:47:41,825 AND THAT IS THE MOST PRECISE WAY 1184 00:47:41,825 --> 00:47:43,627 OF DETERMINING SHAPES. 1185 00:47:43,627 --> 00:47:45,696 ALL OF THIS IS IMPORTANT BECAUSE 1186 00:47:45,696 --> 00:47:48,899 AS WE ARE FLYING ALMOST DIRECTLY 1187 00:47:48,899 --> 00:47:50,634 TOWARD THESE OBJECTS AND 1188 00:47:50,634 --> 00:47:52,636 NAVIGATING ON-BOARD BECAUSE 1189 00:47:52,636 --> 00:47:54,938 THERE ISN'T TIME TO COMMUNICATE 1190 00:47:54,938 --> 00:47:58,809 WITH THE SPACECRAFT APPROACH. 1191 00:47:58,809 --> 00:48:01,011 KNOWING THE SHAPE VERY PRECISELY 1192 00:48:01,011 --> 00:48:04,014 AHEAD OF TIME HELPS US ADJUST 1193 00:48:04,014 --> 00:48:06,083 WHERE WE END UP POINTING THE 1194 00:48:06,083 --> 00:48:06,750 TARGET. 1195 00:48:06,750 --> 00:48:08,719 WE DON'T WANT TO BE FOOLED BY AN 1196 00:48:08,719 --> 00:48:10,487 ESPECIALLY COMPLEX SHAPE OF ONE 1197 00:48:10,487 --> 00:48:17,995 OF THE TARGETS. 1198 00:48:17,995 --> 00:48:24,401 >> I WILL JUMP OVER TO SOCIAL 1199 00:48:24,401 --> 00:48:26,503 MEDIA AGAIN. 1200 00:48:26,503 --> 00:48:35,612 I'M GOING TO JUMP IN. 1201 00:48:35,612 --> 00:48:39,249 LET'S GO WITH MARCIA. 1202 00:48:39,249 --> 00:48:40,684 >> YES. 1203 00:48:40,684 --> 00:48:42,686 >> YOUR LINE IS NOW OPEN. 1204 00:48:42,686 --> 00:48:43,420 GO AHEAD. 1205 00:48:43,420 --> 00:48:44,421 >> THANK YOU. 1206 00:48:44,421 --> 00:48:46,823 FOR TWO FOLLOW-UP QUESTIONS. 1207 00:48:46,823 --> 00:48:48,592 YOU MENTIONED THAT THIS 1208 00:48:48,592 --> 00:48:51,128 TRAJECTORY WOULDN'T BE POSSIBLE 1209 00:48:51,128 --> 00:48:53,430 AGAIN IN THE FUTURE. 1210 00:48:53,430 --> 00:48:55,966 ARE WE TALKING YEARS, CENTURIES, 1211 00:48:55,966 --> 00:48:58,035 THAT THESE OBJECTS LINED UP 1212 00:48:58,035 --> 00:49:01,672 PERFECTLY FOR THIS CRUISE? 1213 00:49:01,672 --> 00:49:03,273 AND IS THERE ANYTHING THAT NASA 1214 00:49:03,273 --> 00:49:04,574 OR ANYONE ELSE CAN LEARN FROM 1215 00:49:04,574 --> 00:49:06,677 THIS MISSION THAT CAN HELP EARTH 1216 00:49:06,677 --> 00:49:10,981 DODGE A MENACING ASTEROID DOWN 1217 00:49:10,981 --> 00:49:12,649 THE ROAD OR IS THAT SOMETHING 1218 00:49:12,649 --> 00:49:15,285 WE'LL HAVE TO WAIT FOR DART FOR? 1219 00:49:15,285 --> 00:49:15,719 THANKS. 1220 00:49:15,719 --> 00:49:17,921 >> THE ANSWER TO YOUR FIRST 1221 00:49:17,921 --> 00:49:22,092 QUESTION IS WE DIDN'T ANALYZE 1222 00:49:22,092 --> 00:49:23,927 THIS LIKE YOU SUGGESTED. 1223 00:49:23,927 --> 00:49:26,697 WE TOOK A COUPLE OF TIMES IN THE 1224 00:49:26,697 --> 00:49:28,565 NEAR FUTURE AND THEN ASKED 1225 00:49:28,565 --> 00:49:30,100 OURSELVES WHAT WE WOULD BE ABLE 1226 00:49:30,100 --> 00:49:32,636 TO DO IF WE LAUNCHED IN THOSE 1227 00:49:32,636 --> 00:49:33,737 YEARS. 1228 00:49:33,737 --> 00:49:36,139 AND THE TRAJECTORY WE FOUND AND 1229 00:49:36,139 --> 00:49:38,241 THE TARGET LIST WE FOUND WAS 1230 00:49:38,241 --> 00:49:42,112 NOWHERE NEAR AS INSPIRING AS 1231 00:49:42,112 --> 00:49:42,746 THIS. 1232 00:49:42,746 --> 00:49:44,314 SO I CAN'T REALLY ANSWER THAT 1233 00:49:44,314 --> 00:49:51,555 QUESTION IN A STATISTICAL WAY. 1234 00:49:51,555 --> 00:49:52,990 THE ANSWER TO YOUR SECOND 1235 00:49:52,990 --> 00:49:56,059 QUESTION, IS THAT NO, I MEAN, WE 1236 00:49:56,059 --> 00:49:58,061 ARE REALLY DEALING WITH OBJECTS 1237 00:49:58,061 --> 00:50:00,030 HERE, EVEN OUR SMALLEST TARGET 1238 00:50:00,030 --> 00:50:01,898 THAT IS MUCH BIGGER THAN 1239 00:50:01,898 --> 00:50:03,000 ANYTHING THAT YOU COULD 1240 00:50:03,000 --> 00:50:06,336 POTENTIALLY HIT THE EARTH IN THE 1241 00:50:06,336 --> 00:50:08,071 NEAR FUTURE. 1242 00:50:08,071 --> 00:50:08,972 AS A RESULT, ALTHOUGH WE ARE 1243 00:50:08,972 --> 00:50:10,841 GOING TO LEARN SOMETHING ABOUT, 1244 00:50:10,841 --> 00:50:12,476 LET'S SAY, THE INTERNAL 1245 00:50:12,476 --> 00:50:14,778 STRUCTURE OF OUR OBJECTS OR THE 1246 00:50:14,778 --> 00:50:16,213 SURFACE PROPERTIES OF OUR 1247 00:50:16,213 --> 00:50:18,315 OBJECTS, IT'S NOT GOING TO TEACH 1248 00:50:18,315 --> 00:50:20,517 US MUCH ABOUT THE OBJECTS THAT 1249 00:50:20,517 --> 00:50:22,185 COULD POTENTIALLY IMPACT THE 1250 00:50:22,185 --> 00:50:25,789 EARTH. 1251 00:50:25,789 --> 00:50:26,890 >> OKAY. 1252 00:50:26,890 --> 00:50:29,192 I'M GOING TO TAKE ONE FROM 1253 00:50:29,192 --> 00:50:31,294 SOCIAL MEDIA HERE. 1254 00:50:31,294 --> 00:50:34,464 I BELIEVE A GOOD ONE FOR DONYA. 1255 00:50:34,464 --> 00:50:41,104 BILLY WEST ON TWITTER ASKS HOW 1256 00:50:41,104 --> 00:50:43,407 LONG COULD LUCY BE ABLE TO GET 1257 00:50:43,407 --> 00:50:47,477 POWER FROM ITS SOLAR ARRAYS AND 1258 00:50:47,477 --> 00:50:49,479 ITS SOLAR PANELS, LONGER THAN 1259 00:50:49,479 --> 00:50:51,248 THE MAIN MISSION? 1260 00:50:51,248 --> 00:50:52,549 COULD IT CONTINUE TO GET POWER 1261 00:50:52,549 --> 00:50:55,085 BEYOND THE MISSION? 1262 00:50:55,085 --> 00:50:58,488 >> THAT'S A GOOD QUESTION. 1263 00:50:58,488 --> 00:51:02,125 IT REALLY DEPENDS ON YOUR SYSTEM 1264 00:51:02,125 --> 00:51:04,061 DESIGN, RIGHT. 1265 00:51:04,061 --> 00:51:06,163 SO PART OF THAT VERIFICATION AND 1266 00:51:06,163 --> 00:51:09,232 DESIGN PROCESS IS IN SHOWING 1267 00:51:09,232 --> 00:51:10,901 THAT YOU HAVE MATERIALS THAT 1268 00:51:10,901 --> 00:51:12,235 HAVE THE PROPERTIES AND 1269 00:51:12,235 --> 00:51:15,639 CAPABILITIES TO SURVIVE THE 1270 00:51:15,639 --> 00:51:21,678 ENVIRONMENT THAT IT'S GOING TO 1271 00:51:21,678 --> 00:51:22,679 BE IN. 1272 00:51:22,679 --> 00:51:24,114 SO BASED ON THE SYSTEM DESIGN, 1273 00:51:24,114 --> 00:51:25,549 WE HAVE CONFIDENCE THAT THE 1274 00:51:25,549 --> 00:51:27,517 SOLAR RAYS WILL SURVIVE OUR 1275 00:51:27,517 --> 00:51:29,086 MISSION AND SURVIVE LONGER THAN 1276 00:51:29,086 --> 00:51:29,853 THAT. 1277 00:51:29,853 --> 00:51:31,822 CAN WE PREDICT THAT FROM A 1278 00:51:31,822 --> 00:51:33,690 STATISTICAL STANDPOINT? 1279 00:51:33,690 --> 00:51:35,358 NOT REALLY. 1280 00:51:35,358 --> 00:51:37,761 WE HAVE CONFIDENCE IT WILL 1281 00:51:37,761 --> 00:51:39,763 PROVIDE BEYOND THE 12 YEAR 1282 00:51:39,763 --> 00:51:40,730 MISSION. 1283 00:51:40,730 --> 00:51:47,437 >> THANK YOU, DONYA. 1284 00:51:47,437 --> 00:51:49,306 NICHOLAS ASKS ARE THE SOLAR 1285 00:51:49,306 --> 00:51:52,509 PANELS AT RISK FROM SPACE 1286 00:51:52,509 --> 00:51:54,077 DEBRIS? 1287 00:51:54,077 --> 00:51:56,613 >> THANKS FOR THAT QUESTION. 1288 00:51:56,613 --> 00:52:00,350 NICHOLAS, YES, THEY CAN BE. 1289 00:52:00,350 --> 00:52:03,920 WE HAVE ANALYZED THEY CAN BE HIT 1290 00:52:03,920 --> 00:52:08,225 BY A MICROMETEORITE. 1291 00:52:08,225 --> 00:52:09,960 THAT COULD TAKE AN IMPACT. 1292 00:52:09,960 --> 00:52:12,829 WE FULLY DESIGNED THAT INTO OUR 1293 00:52:12,829 --> 00:52:15,599 ANALYSIS AND INTO THE SOLAR RAYS 1294 00:52:15,599 --> 00:52:17,134 ITSELF. 1295 00:52:17,134 --> 00:52:18,802 SO WE CAN STILL COMPLETE THIS 1296 00:52:18,802 --> 00:52:19,903 MISSION. 1297 00:52:19,903 --> 00:52:21,738 SO YES, WE CAN TAKE A HIT AND WE 1298 00:52:21,738 --> 00:52:23,507 CAN SURVIVE IT. 1299 00:52:23,507 --> 00:52:25,575 AND IT DEPENDS ON THE SIDES AND 1300 00:52:25,575 --> 00:52:27,878 HOW MANY HITS WE HAVE. 1301 00:52:27,878 --> 00:52:29,646 BUT WE HAVE ANALYZED THAT AND 1302 00:52:29,646 --> 00:52:31,515 THAT KEEPS OUR SOLAR RAYS 1303 00:52:31,515 --> 00:52:34,918 POWERING THE SPACECRAFT FOR MANY 1304 00:52:34,918 --> 00:52:38,021 YEARS PAST OUR LUCY MISSION 1305 00:52:38,021 --> 00:52:41,424 TIMELINE. 1306 00:52:41,424 --> 00:52:42,526 >> EXCELLENT. 1307 00:52:42,526 --> 00:52:42,826 THANK YOU. 1308 00:52:42,826 --> 00:52:45,362 >> IF I MAY ADD ONE DETAIL TO 1309 00:52:45,362 --> 00:52:46,029 THAT. 1310 00:52:46,029 --> 00:52:50,300 THE INTERESTING THING ABOUT THE 1311 00:52:50,300 --> 00:52:52,068 WAY THE SOLAR ARRAYS ARE 1312 00:52:52,068 --> 00:52:54,604 CONSTRUCTED IS THAT THERE'S A 1313 00:52:54,604 --> 00:52:57,340 WHOLE SERIES OF SEPARATE STRINGS 1314 00:52:57,340 --> 00:53:01,645 OF SMALL SOLAR COLLECTORS. 1315 00:53:01,645 --> 00:53:04,848 SO YOU CAN EVEN LOSE SOME OF 1316 00:53:04,848 --> 00:53:06,483 THOSE STRINGS AND STILL HAVE 1317 00:53:06,483 --> 00:53:07,817 ENOUGH POWER. 1318 00:53:07,817 --> 00:53:09,452 WE HAVE ENOUGH POWER MARGIN 1319 00:53:09,452 --> 00:53:12,088 BUILT IN THAT THESE COLLISIONS, 1320 00:53:12,088 --> 00:53:14,524 IF THEY DID OCCUR AND TOOK OUT A 1321 00:53:14,524 --> 00:53:16,493 STRING OR TWO, WE WOULD STILL BE 1322 00:53:16,493 --> 00:53:19,462 OKAY. 1323 00:53:19,462 --> 00:53:20,664 >> GREAT. 1324 00:53:20,664 --> 00:53:22,199 THANK YOU FOR THAT ADDITIONAL 1325 00:53:22,199 --> 00:53:25,135 KEY PIECE, VERY INFORMATIVE. 1326 00:53:25,135 --> 00:53:26,469 I'M GOING TO TURN IT RIGHT BACK 1327 00:53:26,469 --> 00:53:30,674 OVER TO ALI ON OUR MEDIA LINE. 1328 00:53:30,674 --> 00:53:33,276 GO AHEAD, ALI. 1329 00:53:33,276 --> 00:53:34,744 >> GREAT. 1330 00:53:34,744 --> 00:53:36,179 THANK YOU, ALANNA. 1331 00:53:36,179 --> 00:53:37,814 OUR NEXT QUESTION ON THE MEDIA 1332 00:53:37,814 --> 00:53:40,684 SIDE COMES FROM CHRISTOPHER WITH 1333 00:53:40,684 --> 00:53:42,986 SPACE SHUTTLE. 1334 00:53:42,986 --> 00:53:44,087 YOUR LINE IS OPEN. 1335 00:53:44,087 --> 00:53:46,423 >> HI, CAN YOU TALK ABOUT ANY 1336 00:53:46,423 --> 00:53:48,825 DIFFERENCES FROM THE FINAL COST 1337 00:53:48,825 --> 00:53:52,262 YOU MENTIONED, 988 MILLION, AS 1338 00:53:52,262 --> 00:53:55,332 OPPOSED TO WHAT YOU PROJECTED 1339 00:53:55,332 --> 00:53:57,100 DURING THE PLANNING STAGE OR ANY 1340 00:53:57,100 --> 00:54:00,637 OTHER EXTRICATIONS THAT BECAME 1341 00:54:00,637 --> 00:54:02,405 DIFFERENT IN THE SCHEDULE OR 1342 00:54:02,405 --> 00:54:04,074 MISSION DETAILS? 1343 00:54:04,074 --> 00:54:05,742 >> I WILL TAKE THAT ONE, IF 1344 00:54:05,742 --> 00:54:07,377 THAT'S OKAY. 1345 00:54:07,377 --> 00:54:09,446 THAT COST THAT I GAVE YOU, THE 1346 00:54:09,446 --> 00:54:13,650 981.1 IS THE COST THIS MISSION 1347 00:54:13,650 --> 00:54:15,518 WAS CONFIRMED AT. 1348 00:54:15,518 --> 00:54:16,519 THAT'S THE POINT WHERE THE 1349 00:54:16,519 --> 00:54:19,256 AGENCY MAKES A COMMITMENT. 1350 00:54:19,256 --> 00:54:20,457 EVERYTHING UP TO THAT POINT, 1351 00:54:20,457 --> 00:54:23,426 LEADING UP TO THAT, IS WHETHER 1352 00:54:23,426 --> 00:54:25,495 AN EARLY FORMULATION IN TRYING 1353 00:54:25,495 --> 00:54:26,796 TO DEVELOP WHAT THE MISSION IS 1354 00:54:26,796 --> 00:54:28,131 GOING TO LOOK LIKE. 1355 00:54:28,131 --> 00:54:29,432 THIS MISSION HAS STAYED ON TRACK 1356 00:54:29,432 --> 00:54:31,534 WELL WITHIN THAT CONFIRMED COST. 1357 00:54:31,534 --> 00:54:33,436 THEY HAVE DONE AN INCREDIBLE JOB 1358 00:54:33,436 --> 00:54:35,605 OF MANAGING THE PROJECT. 1359 00:54:35,605 --> 00:54:37,474 I COULDN'T BE MORE PROUD OF DAN 1360 00:54:37,474 --> 00:54:40,110 YEAH AND HER LEADERSHIP OF THIS 1361 00:54:40,110 --> 00:54:41,878 TEAM OF THE DEVELOPMENT OF THE 1362 00:54:41,878 --> 00:54:43,847 HARDWARE SHE AND HAL LEADING 1363 00:54:43,847 --> 00:54:46,049 THIS TEAM ABLE TO DELIVER ON 1364 00:54:46,049 --> 00:54:49,252 SCHEDULE AND WELL WITHIN COST 1365 00:54:49,252 --> 00:54:51,755 EVEN WITH THE COVID PANDEMIC 1366 00:54:51,755 --> 00:54:52,989 GOING ON RIGHT NOW. 1367 00:54:52,989 --> 00:54:54,190 THEY HAVE DONE AN INCREDIBLE 1368 00:54:54,190 --> 00:54:55,191 JOB. 1369 00:54:55,191 --> 00:54:59,929 THAT NUMBER HAS NOT CHANGED. 1370 00:54:59,929 --> 00:55:01,798 >> THANK YOU, LORI. 1371 00:55:01,798 --> 00:55:02,365 OKAY. 1372 00:55:02,365 --> 00:55:03,833 WE ARE GOING TO TAKE ONE FINAL 1373 00:55:03,833 --> 00:55:07,470 QUESTION FROM OUR VIEWERS 1374 00:55:07,470 --> 00:55:09,906 ON-LINE. 1375 00:55:09,906 --> 00:55:12,075 LAURA ASKS HOW DO YOU SIMULATE A 1376 00:55:12,075 --> 00:55:13,510 SPACE ENVIRONMENT ON THE GROUND 1377 00:55:13,510 --> 00:55:15,712 SO WE CAN MAKE SURE LUCY WORKS 1378 00:55:15,712 --> 00:55:17,814 OKAY IN SPACE. 1379 00:55:17,814 --> 00:55:19,349 WE DON'T HAVE ZERO GRAVITY OR 1380 00:55:19,349 --> 00:55:22,686 TEMPERATURE SWINGS. 1381 00:55:22,686 --> 00:55:24,721 >> THAT'S A GOOD QUESTION. 1382 00:55:24,721 --> 00:55:27,157 I WILL START WITH THAT RESPONSE. 1383 00:55:27,157 --> 00:55:29,693 RICH, YOU CAN JUMP IN. 1384 00:55:29,693 --> 00:55:31,761 SO RICH TALKED ABOUT THE 1385 00:55:31,761 --> 00:55:34,497 ENVIRONMENTAL TEST CAMPAIGN THAT 1386 00:55:34,497 --> 00:55:37,467 THE SPACECRAFT WAS SUBJECTED TO. 1387 00:55:37,467 --> 00:55:38,668 THAT'S KEY, YOU ARE RIGHT. 1388 00:55:38,668 --> 00:55:41,104 WE DON'T HAVE A ZERO GRAVITY 1389 00:55:41,104 --> 00:55:42,405 ENVIRONMENT. 1390 00:55:42,405 --> 00:55:44,741 BUT WE DO HAVE TEST FACILITIES 1391 00:55:44,741 --> 00:55:46,509 WHERE WE CAN SIMULATE THE 1392 00:55:46,509 --> 00:55:47,377 ENVIRONMENT. 1393 00:55:47,377 --> 00:55:49,346 THERE IS A LOT OF ANALYSIS 1394 00:55:49,346 --> 00:55:52,449 THAT'S DONE IN ORDER TO DESIGN A 1395 00:55:52,449 --> 00:55:54,417 CONFIGURATION TO SIMULATE 1396 00:55:54,417 --> 00:55:56,720 BOUNDARY CONDITIONS. 1397 00:55:56,720 --> 00:55:58,922 THE SPACECRAFT IS SUBJECTED TO 1398 00:55:58,922 --> 00:56:00,690 THE MECHANICAL. 1399 00:56:00,690 --> 00:56:01,891 WE LIKE TO CALL IT THE SHAKE 'N 1400 00:56:01,891 --> 00:56:03,693 BAKE. 1401 00:56:03,693 --> 00:56:05,228 SO WE SUBJECT IT TO THE 1402 00:56:05,228 --> 00:56:08,431 MECHANICAL ENVIRONMENT, THE MOST 1403 00:56:08,431 --> 00:56:09,966 STRESSING MECHANICAL 1404 00:56:09,966 --> 00:56:11,167 ENVIRONMENT, THE LAUNCH 1405 00:56:11,167 --> 00:56:13,370 ENVIRONMENT, AS WELL AS THE 1406 00:56:13,370 --> 00:56:15,905 TEMPERATURE EXTREMES. 1407 00:56:15,905 --> 00:56:18,441 AND SO THAT GIVES US CONFIDENCE 1408 00:56:18,441 --> 00:56:20,510 THAT IT'S GOING TO SURVIVE. 1409 00:56:20,510 --> 00:56:21,945 THROUGH THAT ANALYSIS WE ASSESS 1410 00:56:21,945 --> 00:56:24,347 THE HARDWARE THAT IS SENSITIVE 1411 00:56:24,347 --> 00:56:27,417 TO GRAVITY OR ZERO GRAVITY. 1412 00:56:27,417 --> 00:56:29,519 AND IF IT WARRANTS, THERE'S 1413 00:56:29,519 --> 00:56:34,991 MECHANICAL GFCs THAT CAN BE 1414 00:56:34,991 --> 00:56:36,126 STRUCTURED. 1415 00:56:36,126 --> 00:56:37,994 SO THERE IS A VERY SOPHISTICATED 1416 00:56:37,994 --> 00:56:39,629 ENVIRONMENTAL TEST PROGRAM AS 1417 00:56:39,629 --> 00:56:42,165 WELL AS A VERIFICATION PROGRAM 1418 00:56:42,165 --> 00:56:44,501 THAT'S DONE ON THE GROUND TO 1419 00:56:44,501 --> 00:56:45,802 SIMULATE THE SPACE ENVIRONMENT 1420 00:56:45,802 --> 00:56:48,104 TO GIVE US CONFIDENCE THAT IT'S 1421 00:56:48,104 --> 00:56:49,539 GOING TO SURVIVE. 1422 00:56:49,539 --> 00:56:51,174 AS PART OF THAT, WE BUILT IN 1423 00:56:51,174 --> 00:56:53,510 MARGINS TO ACCOUNT FOR THE 1424 00:56:53,510 --> 00:56:55,712 UNCERTAINTY IN OUR ANALYSIS AND 1425 00:56:55,712 --> 00:56:58,681 OUR TESTING. 1426 00:56:58,681 --> 00:57:01,885 >> I THINK THE ONLY THING I WILL 1427 00:57:01,885 --> 00:57:04,988 ADD TO THAT, DONYA, FROM A ZERO 1428 00:57:04,988 --> 00:57:07,991 GRAVITY STANDPOINT, WE USE 1429 00:57:07,991 --> 00:57:10,059 BALLOONS, LARGE HELIUM BALLOONS 1430 00:57:10,059 --> 00:57:12,695 THAT WE CONNECT TO OUR IPP OR 1431 00:57:12,695 --> 00:57:14,998 INSTRUMENT PLANNING PLATFORM, 1432 00:57:14,998 --> 00:57:17,734 AND IT OFF-LOADS THAT PLATFORM 1433 00:57:17,734 --> 00:57:21,704 TO SIMULATE ZERO GRAVITY TEST. 1434 00:57:21,704 --> 00:57:23,339 WE ALSO DO THAT WITH THE SOLAR 1435 00:57:23,339 --> 00:57:25,074 RAY, WITH THE LARGE STRUCTURE 1436 00:57:25,074 --> 00:57:28,044 THAT WE HAVE, CALLED THE MAYPOLE 1437 00:57:28,044 --> 00:57:30,480 AND IT OFF-LOADS THE SOLAR RAY 1438 00:57:30,480 --> 00:57:33,750 SO IT OPENS UP AND DEPLOYS IN A 1439 00:57:33,750 --> 00:57:36,519 SIMULATED ZERO G ENVIRONMENT. 1440 00:57:36,519 --> 00:57:38,054 WE DO THE BEST WE CAN ON EARTH 1441 00:57:38,054 --> 00:57:39,823 EVEN THOUGH WE ARE AT THE MERCY 1442 00:57:39,823 --> 00:57:41,157 OF GRAVITY HERE. 1443 00:57:41,157 --> 00:57:43,359 SO WE USE BALLOONS AND 1444 00:57:43,359 --> 00:57:47,864 OFF-LOADING TO MAKE THAT HAPPEN. 1445 00:57:47,864 --> 00:57:50,934 >> SO THIS IS HOW -- 1446 00:57:50,934 --> 00:57:52,802 >> PLEASE DO, HAL. 1447 00:57:52,802 --> 00:57:55,238 >> I JUST WANT TO CORRECT 1448 00:57:55,238 --> 00:57:57,974 SOMETHING THAT DONYA AND RICH 1449 00:57:57,974 --> 00:57:58,875 SAID. 1450 00:57:58,875 --> 00:58:01,611 THEY WERE USING IT, WHAT THEIR 1451 00:58:01,611 --> 00:58:03,947 RESPONSES WERE IN THE PRESENT 1452 00:58:03,947 --> 00:58:04,514 TENSE. 1453 00:58:04,514 --> 00:58:06,049 I WANT TO REMIND EVERYBODY IT 1454 00:58:06,049 --> 00:58:08,785 SHOULD BE IN THE PAST TENSE. 1455 00:58:08,785 --> 00:58:10,019 LUCY IS DONE. 1456 00:58:10,019 --> 00:58:12,655 AND WE ARE READY TO FLY. 1457 00:58:12,655 --> 00:58:15,191 >> THAT'S TRUE. 1458 00:58:15,191 --> 00:58:16,960 >> ABSOLUTELY. 1459 00:58:16,960 --> 00:58:19,696 >> WE ARE READY TO FLY. 1460 00:58:19,696 --> 00:58:21,331 UNFORTUNATELY, WE CANNOT ANSWER 1461 00:58:21,331 --> 00:58:23,666 ALL THE MEDIA QUESTIONS THAT WE 1462 00:58:23,666 --> 00:58:25,702 HAVE FOR ON-AIR. 1463 00:58:25,702 --> 00:58:28,037 AND THOSE OF YOU WITH ADDITIONAL 1464 00:58:28,037 --> 00:58:30,907 QUESTIONS ON-LINE, PLEASE FEEL 1465 00:58:30,907 --> 00:58:33,409 FREE CONTINUE ASKING ON-LINE. 1466 00:58:33,409 --> 00:58:34,644 FOR MORE INFORMATION ON THE LUCY 1467 00:58:34,644 --> 00:58:36,946 MISSION, VISIT US ON-LINE AT 1468 00:58:36,946 --> 00:58:39,132 NASA.GOV/LUCY. 1469 00:58:39,132 --> 00:58:41,885 AND CONTINUE THE CONVERSATION ON 1470 00:58:41,885 --> 00:58:43,453 SOCIAL MEDIA. 1471 00:58:43,453 --> 00:58:45,121 BY FOLLOWING @NASA SOLAR SYSTEM 1472 00:58:45,121 --> 00:58:46,489 AND @NASA AND USING THE 1473 00:58:46,489 --> 00:58:48,007 #LUCYMISSION 1474 00:58:48,007 --> 00:58:49,309 THANKS FOR WATCHING TODAY. 1475 00:58:49,309 --> 00:58:50,977 GO LUCY.