Mars' Phobos Moon Is Made of Dust

Mars has 2 small natural satellites in its orbit – Phobos (“fear”), the smaller, innermost, faster-orbiting one, and Deimos (“dread”), the larger, slower one, found on a less proximal orbit. Recent observations of the former indicate that it does not present the... [ read more >> ]

Mars' smaller moon, the dusty Phobos

Image comment: Mars' smaller moon, the dusty Phobos
Image credits: G. Neukum / ESA

Mars' smaller moon, the dusty Phobos