December 11, 2009
In 45 years of photographing Mars up close, no spacecraft had ever gotten a picture of both its moons, Phobos (Fear) and Deimos (Dread), together—until last month.
The High Resolution Stereo Camera on Europe’s Mars Express orbiter took advantage of a rare alignment to snap this image of the two moons on November 5. Phobos, the larger one, was 7,300 miles from the spacecraft, and Deimos was 16,300 miles away.
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