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HOUSTON STATION ON SPACE TO GROUND.

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WELCOME TO THE 400TH EPISODE OF SPACE TO GROUND, 
I’M LEAH CHESHIER MUSTACHIO.  

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TWO JAPANESE SPACEFLIGHT PARTICIPANTS ARRIVED 
AT THE ORBITING LABORATORY EARLIER THIS WEEK.

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ON WEDNESDAY, DECEMBER 8, THREE PEOPLE LAUNCHED 
TO THE INTERNATIONAL SPACE STATION ABOARD THE  

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SOYUZ MS-20 SPACECRAFT. AND LIFTOFF! SPACEFLIGHT 
PARTICIPANTS YUSAKU MAEZAWA AND YOZO HIRANO WERE  

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LED BY COMMANDER AND ROSCOSMOS COSMONAUT ALEXANDER 
MISURKIN AS THE SPACECRAFT LAUNCHED AT 2:38 AM  

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EASTERN TIME AND DOCKED JUST OVER 6 HOURS LATER. 
THE TRIO JOINED THE 7 ASTRONAUTS AND COSMONAUTS  

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LIVING ABOARD THE SPACE STATION FOR A SCHEDULED 
11 DAY MISSION BEFORE RETURNING TO EARTH.
 
 

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THIS WEEK, NASA ANNOUNCED THE 10 NEWEST 
ASTRONAUT CANDIDATES OUT OF 12,000 APPLICANTS.

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LET'S GIVE THEM A BIG ROUND OF APPLAUSE!

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THE 2021 NASA ASTRONAUT CANDIDATES WERE ANNOUNCED 
ON MONDAY, DECEMBER 6. OVER THE NEXT TWO YEARS,  

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THESE ASTRONAUTS WILL TRAIN AT NASA’S 
JOHNSON SPACE CENTER IN DISCIPLINES LIKE  

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SPACE STATION SYSTEMS, RUSSIAN LANGUAGE, 
SPACEWALK TRAINING, T-38 FLYING AND MORE.  

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THESE CANDIDATES MAY SOMEDAY TRAVEL TO THE 
SPACE STATION, COMMERCIAL DESTINATIONS,  

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AND EVENTUALLY THE MOON WITH THE ARTEMIS PROGRAM
  

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A NEW FACILITY IS FINDING ITS HOME 
ABOARD THE ORBITING LABORATORY THIS WEEK.

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ON TUESDAY, INSTALLATION BEGAN OF THE FLOW BOILING 
AND CONDENSATION EXPERIMENT. THE GOAL OF THIS NEW  

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FACILITY IS TO COLLECT DATA ABOUT TWO-PHASE FLOW 
AND HEAT TRANSFER IN MICROGRAVITY. WE’LL NEED TO  

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GENERATE MORE POWER DURING LONGER SPACE MISSIONS, 
MEANING THE HEAT PRODUCED NEEDS TO BE DISAPPATED.  

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TWO-PHASE THERMAL MANAGEMENT SYSTEMS REDUCE 
THE SIZE AND WEIGHT OF THE SYSTEM AND MAKE  

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HEAT REMOVAL MORE EFFICIENT. THIS EXPERIMENT IS 
YET ANOTHER WAY THE WORK BEING DONE ON THE SPACE  

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STATION CONTINUES TO PREPARE US FOR FUTURE 
DESTINATIONS DEEPER INTO THE SOLAR SYSTEM.

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THAT’S ALL FOR TODAY ON SPACE TO 
GROUND. WE’LL SEE YOU NEXT WEEK.