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Mars' Moon Phobos Is Slowly Falling Apart


Mars' moon Phobos

New modeling indicates that the grooves on Mars moon Phobos could be produced by tidal forcesthe mutual gravitational pull of the planet and the moon. Initially, scientists had thought the grooves were created by the massive impact that made Stickney cr

Credit: NASA/JPL-Caltech/University of Arizona

The long, shallow grooves lining the surface of Phobos are likely early signs of the structural failure that will ultimately destroy this moon of Mars.

From NASA
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