Issue Date: May 13, 2013
Earth And Moon Share Water Source
Two years ago, scientists discovered that bubbles of preserved magma in ancient rocks on Earth’s moon contained large amounts of water, a finding that contradicted the notion that the moon has always been bone-dry. Now, the same group, headed by Alberto E. Saal of Brown University, finds that this lunar water has the same isotopic composition as water on Earth, implying that Earth and its moon have a common water source (Science . . .
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