NASA preps for Nail-biting Comet Flyby of Mars - As Comet C/2013 - TopicsExpress



          

NASA preps for Nail-biting Comet Flyby of Mars - As Comet C/2013 A1 Siding Spring inches closer to the Red Planet, NASA’s taking steps to protect its fleet of orbiting Mars spacecraft. On October 19, the comet’s icy nucleus will miss the planet by just 82,000 miles (132,000 km). That’s 17 times closer than the closest recorded Earth-approaching comet, Lexell’s Comet in 1770. (...)Read the rest of […] ow.ly/2KKKGF
Posted on: Sat, 26 Jul 2014 18:10:21 +0000

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