Mars Could Be Hit By Comet C/2013 A1 With Billion-Megaton Impact / Will show brighter than a full moon
Huffington Post UK | By Michael Rundle Posted: 04/03/2013 09:53 GMT | Updated: 04/03/2013 10:12 GMT Mars could be hit by a comet with the power of a billion megatons in 2014,…
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