Previously unpublished photos of Mars' moon Phobos hint that the mysterious satellite may actually be a trapped comet — or perhaps just a piece of one, along with its twin moon Deimos. When you ...
Mars' moon Deimos is occulted by Phobos on Aug. 1 as seen by Curiosity What fun to live on a planet with TWO moons. Imagine stepping out into the Martian night to watch the moons Phobos and Deimos ...
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Study hints Mars once had a tide-raising mega moon
Mars looks quiet today, but new research suggests the planet’s surface still carries the rhythm of a vanished companion. Sediment patterns in an ancient lake bed point to regular rises and falls in ...
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