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ScienceCasts: Collision Course? A Comet Heads for Mars

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Published on Mar 27, 2013

Visit http://science.nasa.gov/ for breaking science news.

A comet is heading for Mars, and there is a chance that it might hit the Red Planet in October 2014.  An impact wouldn't necessarily mean the end of NASA's Mars program. But it would transform the program along with Mars itself.

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