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Posted: Tue Oct 21, 2025 10:38 pm
by RSS Post Bot
Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping theories of how Earth gained its oceans. A billion-year-old impact may have melted ancient ice, keeping asteroids wet and influential far into solar system history.

Source: https://www.sciencedaily.com/releases/2 ... 230955.htm