Solar system ice: Source of Earth’s water

Posted July 12th, 2012 by PCC STEM & filed under Geology.

Scientists have long believed that comets and, or a type of very primitive meteorite were the sources of early Earth's volatile elements. Understanding where these volatiles came from is crucial for determining the origins of both water and life. New research focuses on ice that was distributed throughout much of the early Solar System. The team's findings contradict prevailing theories and suggest that meteorites are the most-likely sources of the Earth's water.

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