This composite NASA Hubble Space Telescope Image captures the positions of comet Siding Spring and Mars in a never-before-seen close passage of a comet by the Red Planet.
October 23, 2014
from NASA http://ift.tt/1oxUogc
via IFTTT
October 23, 2014
from NASA http://ift.tt/1oxUogc
via IFTTT
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