outer solar system tagged posts

Asteroid Ryugu samples suggest presence of salty water in outer solar system

Want some salt with that?
Colorized microscopic image of sodium carbonate deposit on Ryugu sample. Credit: KyotoU/Toru Matsumoto

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the universe. Ryugu, a 900-meter diameter asteroid in the Apollo belt, has recently proven useful in our search for signs of life’s precursors elsewhere in our solar system.

A team of researchers at Kyoto University have found evidence of salt minerals in samples recovered from Ryugu during the initial phase of Japan’s Hayabusa2 mission...

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