Mars Moon Deimos May Be Hiding Ancient Craters Beneath 120 Meters of Debris
8 Articles
8 Articles
The ESA probe "Hera" has provided data that solves two old puzzles of the Mars moon Deimos – and thereby raises a new one.
The irregular shape of Deimos, the smaller of Mars' two moons, may be due to an asteroid impact, computer simulations show. The post Cosmic accident may have made a Martian moon look like a crooked donut appeared first on in.gr.
Mars moon Deimos may be hiding ancient craters beneath 120 meters of debris
A single asteroid impact may explain both Deimos’ huge south-polar depression and the thick blanket of debris covering the Martian moon. Simulations point to a roughly 320-meter asteroid striking at about a 45-degree angle without breaking Deimos apart. Future observations from missions including JAXA’s MMX could test predictions about the moon’s weak surface, porous interior and buried craters. Deimos looks unusually smooth for a battered moon.…
The Mars moon Deimos is surprisingly smooth and covered by a thick layer of dust. Could this unusual appearance be the relic of a huge impact?
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