A JWST find hints that Earth formed with water bound within it, rather than forming dry and having all of its water delivered later by asteroid
The fact that it has survived means that if any Earth-like planets do form in the inner disc, they will incorporate that water. There isor have their water delivered by asteroids later on, and this is a strong point in favour of the former argument.
“PDS 70 is a star similar to our sun, just younger and cooler,” says Perotti. “By observing it, we can trace back how the planets in our solar system formed and what was their chemical composition before they were fully formed.”Voyage across the galaxy and beyond with our space newsletter every month.
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