This body's only named ridge is Kepler Dorsum and its craters include Roche, Todd, and d'Arrest. It has been photographed by Mariner 9 and its namesake 1988 Russian mission, which actually sent two pr
This body's only named ridge is Kepler Dorsum and its craters include Roche, Todd, and d'Arrest. It has been photographed by Mariner 9 and its namesake 1988 Russian mission, which actually sent two probes, the first of which was lost. B.P. Sharpless, for whom one of its craters is named, noted that it was spiraling rapidly inward and Iosif Shklovskii provided an explanation for the drag, but concluded this body might be hollow. Its largest crater Stickney is named for the wife of its discoverer, Asaph Hall, who also discovered its smaller companion. Named for a son of Ares and Aphrodite, FTP, name this largest moon of Mars, the partner of Deimos.
This body's only named ridge is Kepler Dorsum and its craters include Roche, Todd, and d'Arrest.
{Phobos}