April 9, 2008 4:21 PM

Phobos, the larger of Mars' two moons, via NASA's Mars Reconnaissance Orbiter

The camera shot two pictures, 10 minutes apart, which show the moon's features in unprecedented detail. Phobos is only 13-1/2 miles in diameter and weighs less than 1,000th as much as Earth.

Related content

Suggested for you



Nation & World Videos