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Science
Ben Rider-Stokes, and ,The Conversation

An Enduring Mystery About Mars’ Smallest Moons Could Finally Be Solved


The two small moons of Mars, Phobos (about 22km in diameter) and Deimos (about 13km in diameter), have puzzled scientists for decades, with their origin remaining a matter of debate. Some have proposed that they may be made up of residual debris produced from a planet or large asteroid smashing into the surface of Mars (#TeamImpact).

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