Discovery of water on earth : Asteroid Bring Water to Earth

Scientists have long been puzzled by the origin of water on Earth, which is believed to have originally been dry. A new study from University of Warwick, however, suggests that water can be delivered to dry planets from other celestial bodies carrying water.

“Our research has found that, rather than being unique, water-rich asteroids similar to those found in our Solar System appear to be frequent. Accordingly, many planets may have contained a volume of water comparable to that contained in the Earth,” said study lead author Dr. Roberto Raddi.

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