How much water is in space?

Where in the universe is extraterrestrial liquid found?

Stars Insider

21/01/25 | StarsInsider

LIFESTYLE Science

Did you know that vast amounts of water exist throughout our galaxy? Much of this is in gaseous form, but scientists believe that some moons and planets within our own solar system harbor huge subterranean oceans.

Billions of years ago, Mars had oceans and rivers. In time, that water disappeared, leaving only ice on the surface, most of it in the polar caps. In 2015, however, NASA scientists confirmed evidence that liquid water does indeed flow on the Martian surface. But it was the discovery in 2022 of a gigantic, 12-billion-year-old cosmic "rain cloud" 700 light-years from Earth that reaffirmed the belief that water has been prevalent in the universe for nearly its entire existence. So, where in space has extraterrestrial liquid been found?

Click through this gallery and launch yourself through a sea of discovery.

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