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Monthly Archives: April 2013

Comet 2013 A1 encounters Mars

No, it’s not comet PanStarrs. But another comet is flying across the sky and chances are it might hit Mars in October 2014. It’s Comet 2013 A1. Chances are 1:2000 that it hits, say current calculations. The diameter of the comets’ nucleus is between 1-3km, and this big rock is travelling with about 56km/s, very […]