Moon's water may have earthly origins
Ratio of hydrogen to deuterium suggests a common source
By Andrew Grant, 13:07 PM May 9, 2013
Water trapped deep within the moon’s interior came from the same source as water on Earth, a new study reveals. The research suggests that the moon seized a healthy supply of water from Earth when the satellite formed in the aftermath of a cataclysmic collision 4.5 billion years ago.
“This is an important result and a surprising result,” says David Stevenson, a planetary scientist at Caltech.
The findings come from the laboratory of Brown University geochemist Alberto Saal, who has spent t...
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