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For centuries, people have wondered where Earth’s vast oceans came from. Our planet didn’t form with much water, yet today it ...
Our new results provide the strongest evidence yet that at least some Halley-type comets carried water with the same isotopic signature as that found on Earth,” said a NASA astrophysicist.
ALMA observed water in Halley-type comet 12P/Pons-Brooks that was similar to Earth’s oceans, indicating the role of comets in ...