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November 14, 2015 10:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/xeo4pOXhF7U/earth-may-have-kept-its-own-water-rather-than-getting-it-from-asteroids
Earth May Have Kept Its Own Water Rather Than Getting It From Asteroids
sciencehabit writes: Carl Sagan famously dubbed Earth the 'pale blue dot' for our planet's abundant water. But where this water came from—and when it arrived—has been a longstanding debate. Many scientists argue that Earth formed as a dry planet, and gained its water millions of years later through the impact of water-bearing asteroids or comets. But now, scientists say that Earth may have had water from the start, inheriting it directly from the swirling nebula that gave birth to the solar system. If true, the results suggest that water-rich planets may abound in the universe.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/xeo4pOXhF7U/earth-may-have-kept-its-own-water-rather-than-getting-it-from-asteroids
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