Ice On Asteroid Suggests Earth's Water Came From Space

Ice On Asteroid Suggests Earth's Water Came From Space

WASHINGTON — Scientists have found lots of life-essential water – frozen as ice – in an unexpected place in our solar system: an asteroid between Mars and Jupiter. The discovery of significant asteroid ice has several consequences. It could help explain where early Earth first got its water. It makes asteroids more attractive to explore, dovetailing with President Barack Obama's announcement earlier this month that astronauts should visit an asteroid.

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