PHOBOS
Phobos
Phobos is the larger and closer of the two natural satellites of Mars. With a mean radius of, Phobos is 7.24 times more massive than the second moon Deimos. It is named after the Greek god Phobos, a son of Ares and Aphrodite . Both moons were discovered in 1877.The above text is a snippet from Wikipedia: Phobos (moon)
and as such is available under the Creative Commons Attribution/Share-Alike License.