The evidence for Ganymede's reorientation is rooted in its ... The impact would have significantly affected the moon's ...
6mon
ZME Science on MSNColossal Asteroid, 20 Times the Size of Dinosaur-Killer, Struck Solar System’s Largest Moon 4 Billion Years AgoFour billion years ago, Ganymede literally got knocked sideways. A giant asteroid slammed into Jupiter’s largest moon, ...
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