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A New Theory Explains the Surprising Origin of the Planet Mercury

Summary by Universe Today
Compared to the other terrestrial planets, Mercury has always been a bit of a mysterious one. It’s internal structure is very different from its planetary siblings with its core accounting for 70% of its overall mass and an unusually thin mantle composed of silicates. One theory suggests a head-on collision between a larger proto-Mercury and a smaller object while another suggests Mercury sideswiped an Earth-mass object. It may be something comp…

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Universe Today broke the news in United States on Tuesday, March 25, 2025.
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