Mars vs. Comet in 2014: Scientists Prepare for Red Planet Sky Show

SPACE.com
Mars vs. Comet in 2014: Scientists Prepare for Red Planet Sky Show
Comet C/2013 A1 (Siding Spring) will pass extremely close to Mars on Oct. 19, 2014. There is even a small possibility that it could impact the planet, although new tracking data has minimized this prospect.
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