During a seven-year round trip, the Japanese probe Hayabusa collected samples from the asteroid Itokawa and returned them to Earth in 2010. Now researchers from Arizona State University have discovered traces of water in those samples, adding weight to the idea that much of Earth's water may have come from asteroid impacts.
.. Continue Reading Water found in sample brought back from asteroid ItokawaCategory: Space
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from New Atlas (Gizmag) http://bit.ly/2IUj2GO
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