2015年5月4日 星期一

Mimas Stares Back


The great eye of Saturn's moon Mimas, a 130-kilometer-wide (80-mile) impact crater called Herschel, stares out from the battered moon. Several individual ringlets within the F ring are resolved here, and the small moon Atlas is also seen faintly outside the main rings. via NASA http://ift.tt/1E0rtTI

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