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Siding Spring will whizz by close to Mars
Originally posted on Lights in the Dark:
Hubble image of comet C/2013 A1 (Siding Spring), before and after processing. Credit: NASA, ESA, and J.-Y. Li (Planetary Science Institute)
Comet Siding Spring won’t hit Mars on October 19 but it will come really, really close: 86,000 miles, or just a bit over 1/3 the distance between the Moon and Earth. That’s like having a bullet from a sniper positioned a mile away knock your hat off! (Given that you were the target of a military-class sniper, not sure why you would be. Is there something I don’t know about you?) And while it won’t get bright enough or close enough to Earth to become a spectacle in our night sky, exploration robots on and around Mars should be in for quite a show.
Earlier this month, as Siding Spring (aka C/2013 A1) passed within the orbit of Jupiter, the Hubble Space Telescope turned its gaze onto it and…
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