Planet Mercury a result of early hit-and-run collisions
Tempe AZ (SPX) Jul 09, 2014 - Planet Mercury's unusual metal-rich composition has been a longstanding puzzle in planetary science. According to a study published online in Nature Geoscience July 6, Mercury and other unusually metal-rich objects in the solar system may be relics left behind by collisions in the early solar system that built the other planets. The origin of planet Mercury has been a difficult question in ... more
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