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NASA's Swift Sizes Up Comet ISON Astronomers have used NASA's Swift satellite to check out comet C/2012 S1 (ISON), which may become one of the most dazzling in decades when it rounds the sun later this year. ... > full story Growing Plants on Mars Concrete plans for a one-way ticket to Mars have been forged. Food will have to be grown on location. http://www.sciencedaily.com/news/space_time/astronomy/
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