Doomed Moon
October 20, 2008
Talk about a full moon.
NASA's sharp-eyed Mars Reconnaissance Orbiter snared this shot of the moon Phobos, one of two natural satellites in orbit around Mars. Phobos, which is believed to be a captured asteroid, will not stay pinned to Mars forever. The planet's gravity is tugging on Phobos, causing its orbit to buckle a little bit each year. Another 100 million years or so and it'll be gone.
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