Detail of the martian moon Phobos.

by: Nasa/JPL/MSSS/Novapix
Reference: a-mar06-90002
Date: 2006-10-20

Phobos as viewed on August 19, 1998, 10 AM PDT. The Mars Global Surveyor spacecraft was approximately 1080 km (671 mi) from Phobos at closest approach. This image is about 8.2 km (5.1 mi) wide by 12 km (7.5 mi) tall and has a scale of 12 m (40 feet) per picture element ("pixel").

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