Oceans' Origins from Space Rocks

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elusive dark comets

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Outer dark comets

Astronomy.com

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‘Dark comets' could reveal how Earth got its oceans

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84% Informative

The water that makes up the oceans acted as a key ingredient for the development of life on Earth .

Scientists still do not know where the water here on Earth came from in the first place.

One leading idea is that space rocks such as comets and asteroids delivered water to the Earth through impacts.

In a new study my colleagues and I published in December 2024 , we discovered two classes of these elusive dark comets.

Darryl Seligman is a Postdoctoral Fellow in Physics and Astronomy at Michigan State University .

The Vera C. Rubin Observatory's Legacy Survey of Space and Time , which comes online in 2025 , will start scanning the entire southern sky almost every night to spot anything that moves.

It will likely help my colleagues and me discover lots of new dark comets in the near future.

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