Sunday, October 19, 2014

Tonight's Sky for October 19: Comet Siding Spring Makes Close Pass of Mars


All robotic eyes on and around Mars will get quite a sight today as Comet Siding-Spring will pass within 81,000 miles of the Red Planet. For comparison, that's only about a third as distant as the Moon orbits the Earth. Since this is the first time in history that robotic explorers will be able to see a comet pass so close by a planet (or pass a planet at all), no one knows what to expect. However, with seven robots (5 orbiters and 2 rovers) in position to watch, all 'eyes' will be on the Martian sky.

Oh yes, here's an awesome graphic simulating the comet as seen from Mars!  

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