Chemistry says moon is proto-Earth’s mantle, relocated

Monday, September 12, 2016 - 13:23 in Astronomy & Space

Measurements of an element in Earth and moon rocks have just disproved the leading hypotheses for the origin of the moon. Tiny differences in the segregation of the isotopes of potassium between the moon and Earth were hidden below the detection limits of analytical techniques until recently. But in 2015, Washington University in St. Louis […]

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