For 10 points, name this Martian moon, larger than Deimos, whose name derives from the Greek for "fear."
This object's low density led Iosif Shklovsky to erroneously suggested that it was hollow and created by aliens. This body is home to the Gulliver's Travels-inspired Laputa Regio. Because this moon is composed of loosely bound rubble, and its orbital radius is rapidly decaying, it will probably disintegrate within 50 million years. This is the nearest of the moons Mariner 9 photographed while orbiting a certain planet. This body is home to a giant indentation named for the wife of its discoverer Asaph Hall; that is the Stickney Crater. For 10 points, name this Martian moon, larger than Deimos, whose name derives from the Greek for "fear."
This object's low density led Iosif Shklovsky to erroneously suggested that it was hollow and created by aliens.
Phobos