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 A Boeing Delta II rocket lit up the night sky. carrying NASA's Aura spacecraft as it 

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 launched from Vandenberg Air Force Base. California. 

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 Liftoff occurred at 3:01 a.m. Pacific Time on July 15. 2004. 

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 Aura is a next generation Earth-observing satellite. designed to supply information about the health of Earth's atmosphere. 

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 Aura's four instruments study the atmosphere's chemistry and dynamics. 

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 Aura's measurements will enable us to investigate questions about ozone trends. 

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 air quality changes and their linkage to climate change. 

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 Aura is part of the Earth Science Projects Division. a program dedicated to monitoring the complex 

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 interactions that affect the globe using NASA satellites and data systems. 

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