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A deep search for Martian dust rings and inner moons using the Hubble Space Telescope

Nicholson, Philip D.; Hamilton, Douglas P.; Showalter, Mark R.

It has long been suspected that Mars might be encircled by two faint rings, one originating from each of its moons Phobos and Deimos. Meteoroid impacts into these moons should release clouds of dust that quickly spread out to become rings; similar dust rings have been associated with several small inner moons of the gas giants. On May 28, 2001 Mar…