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Phobos from Mariner 9

Phobos from Mariner 9

NASA / JPL / Emily Lakdawalla

Phobos from Mariner 9
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.

The image has had blemishes removed, then was enlarged by a factor of 3, and sharpened.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder: Emily Lakdawalla

Original image data dated on or about December 1, 1971

Explore related images: pretty pictures, amateur image processing, NASA Mars missions before 1996, global views, Phobos

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