Samples of Asteroid Ryugu Show Signs of Ancient Water - Sky & Telescope - Sky & Telescope

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The distribution of elements seen in the samples of Ryugu brought back by Hayabusa 2 hints at a wet past.

Japan's Hayabusa 2 spacecraft returned the sample of more than 5 grams (about the mass of a U.S. nickel) to Earth on December 5, 2020.

Previous studies have found that Ryugu is likely a carbonaceous chondrite , a type of asteroid that is rich in carbon, volatiles (including water), and organics.

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Publisher: Sky & Telescope
Date: 2023-11-16T13:00:00 00:00
Twitter: @skyandtelescope
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