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Mars-Bound Comet: Photos of Comet C/2013 A1 Siding Spring (Gallery)

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Hubble Sees Comet Siding Spring and Mars

Credit: NASA, ESA, J.-Y. Li (PSI), C.M. Lisse (JHU/APL), and the Hubble Heritage Team (STScI/AURA)
Hubble Space Telescope captured Comet Siding Spring and Mars in a heretofore unseen close passage of a comet by the red planet on Oct. 19, 2014.
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