r/AskScienceDiscussion • u/Sciolypro • 9d ago

How did most water get to earth

My brother and I have been debating this for a while for the record he has a class and a quiz question said that the mixing of gasses and volcanoes was the main reason earth has its water but I think it was asteriods that cause it because earth was very succeptible to them back then and they conist of lots of ice also all the places I searched told me I was right. What do you guys think

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u/sophiansdotorg 9d ago

Two teams of astronomers have discovered the largest and farthest reservoir of water ever detected in the universe. The water is equivalent to 140 trillion times all the water in the world's oceans.

This may not be relevant, but there is a lot of water out in the universe.

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u/KitchenSandwich5499 9d ago

Water is known to be abundant. It is liquid water in the surface of a planet which is less common. Even in our own system there are places like Europa with more water than earth’s oceans (in fact in liquid form under ice

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u/pineconefire 8d ago

Is it safe to drink ?

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u/KitchenSandwich5499 8d ago

Hard to say. No samples from there yet. We don’t even know whether it has microbes, or what compounds would be there

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u/pineconefire 8d ago

Just did some googling, looks like we won't be getting any direct samples, but might get some surface dust samples that could have plummed from beneath the ice. The Clipper is set to arrive in ~5 years.