Where did Earth's water come from?

From a recent paper on asteroids, scientists were able to finally answer one of the most mysterious problems that we could not solve for centuries. We now understand where Earth’s water came from, and the answer is very interesting.

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Citations

Websites:

Research paper: https://advances.sciencemag.org/content/5/5/eaav8106

Earthsky - https://earthsky.org/space/origin-earths-water-asu-solar-nebula

Pictures:

Steemit - https://steemit.com/science/@schuvo/structure-of-the-earth-interior-and-composition

Socratic - https://socratic.org/questions/what-is-the-molar-mass-of-heavy-water-d-2o

Wikipedia - https://en.wikipedia.org/wiki/Pyroxene

Inverse - https://www.inverse.com/article/55413-itokawa-hayabusa-asteroid-sample-earth-water