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Science Fleet Prepares for Mars Comet EncounterNASA’s extensive fleet of science assets, particularly those orbiting and roving Mars, have front row seats to image and study a once-in-a-lifetime comet flyby on Sunday, Oct. 19. Comet C/2013 A1, also known as comet Siding Spring, will pass within about 87,000 miles (139,500 kilometers) of the Red Planet -- less than half the distance between Earth and our moon and less than one-tenth the distance of any known comet flyby of Earth.
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11DAYS7HOURS53MIN43SECFriday, Oct. 24: Orbital Resupply Mission Launches to the International Space Station, 7:52 p.m. EDT
Tuesday, Oct. 14: NASA Shares What MAVEN Spacecraft Has Seen in its First Few Weeks at Mars, 2 p.m. EDT
Registration Open: Social Media Credentials to Cover Orion Flight Test, Dec. 3-4, Cape Canaveral Air Force Station
October 12-18: Help NASA Do #SkyScience For Earth Science Week
Wednesday, Oct.15: Expedition 41 Spacewalk, 8:10 a.m. EDT (NASA TV Coverage Begins 7 a.m.)
11DAYS7HOURS53MIN43SECFriday, Oct. 24: Orbital Resupply Mission Launches to the International Space Station, 7:52 p.m. EDT
Tuesday, Oct. 14: NASA Shares What MAVEN Spacecraft Has Seen in its First Few Weeks at Mars, 2 p.m. EDT
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Hubble Catches a Dusty Spiral in VirgoThe Hubble Space Telescope shows the edge-on spiral galaxy NGC 4206, located about 70 ...
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