The Bruce Murray Space Image Library
Phobos from Mariner 9
Filed under pretty pictures, amateur image processing, NASA Mars missions before 1996, global views, Phobos
Mariner 9 captured this view of Phobos on December 1, 1971. Stickney crater takes a bite out of the upper left edge of the disk; the large Hall crater, right of center, is close to Phobos' south pole. The side of Phobos that always faces Mars is the upper hemisphere; the lower hemisphere always faces away from Mars. Phobos is 26.00 km x 22.78 km x 18.14 kilometers in size.
NASA / JPL / Emily Lakdawalla
The image has had blemishes removed, then was enlarged by a factor of 3, and sharpened.
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Original image data dated on or about December 1, 1971
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