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2 populations of dark comets in the solar system could tell researchers where the Earth got its oceans

The Conversation
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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 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.

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.

The JAXA Hayabusa2 extended mission is slated to rendezvous with one of the inner dark comets in 2031 .

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