Space Photo of the Day: Frosted Martian Impact Crater: This image from the Mars HiRISE mission was planned to … http://t.co/QphSOo8qcQ

by Freeman Lowell

Space Photo of the Day: Frosted Martian Impact Crater: This image from the Mars HiRISE mission was planned to … http://t.co/QphSOo8qcQ:

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