Origin of Water on Earth: How Did it Get Here?

WaterFilterGuru.com

Water is an incredibly precious resource, and it might seem pretty convenient that it’s found all over the world, given our reliance on it for survival.

These water bodies exist because of a long list of processes that occurred way, way back – and there’s a lot we still don’t know about a time so long ago.

Here, we’ve discussed what scientists know so far about how water came to be on Earth, dating right back to the planet’s formation.

PLANET FORMATION

Billions of years ago, during the formation of Earth and other planets, scientists believe it began with a swirling protoplanetary disk around the newly formed sun.

THE INFLUENCE OF COMETS AND ASTEROIDS

Planetary scientists believe that if Earth’s oceans didn’t form when the Earth’s surface was formed, they would have had to arrive later via asteroids and comets.

HYPERACTIVE COMETS

If scientists became pretty certain that water on Earth came from asteroids, you might be wondering how comets fit into the equation.

This possibility comes from several research cases and studies, although originally, due to the discovery that comets have a different ratio of regular water to “heavy” water compared to Earth.

It was theorized that comets could only be responsible for around 10% (at most) of the Earth’s water.

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WaterFilterGuru.com