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Observing the Planet
With North America’s fire season already underway, NASA’s Plankton, Aerosol, Cloud, and ocean Ecosystem (PACE) satellite is using its three instruments to monitor vegetation conditions that can lead to fires, as well as track smoke plumes and their movement.
NASA’s PACE Mission about Observing the Planet
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Image Of The Day
NASA Astronaut Chris Williams Preps for Spacewalk
Flight engineer Sophie Adenot of ESA (European Space Agency) assists flight engineer Chris Williams of NASA as he tries on his spacesuit, testing its comfort and mobility as well as its communications and life support systems inside the International Space Station’s Quest airlock.
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Freedom 250
NASA Celebrates America’s 250th Birthday
Our spirit of adventure and innovation will raise our nation to new heights.
From the earliest days of exploration, to the first steps on the Moon and the missions shaping our future, NASA represents the spirit of discovery that defines our nation. As the United States approaches its semiquincentennial, Freedom 250 highlights how innovation, courage, and scientific leadership have carried America forward — and how NASA continues to expand the frontier for the next generation.
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