Researchers have found that liquid water ran via the asteroid that created Ryugu, a near-Earth, carbon-rich asteroid introduced in 2015. Based mostly on the microscopic samples returned by Japan’s Hayabusa2 mission, the findings point out that moist situations inside Ryugu’s guardian physique continued for greater than a billion years after its delivery. These discoveries problem the standard knowledge that water-related actions on asteroids ended early in photo voltaic system historical past and supply extra perception into how Earth’s oceans may need shaped.
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