Earth's water could have interstellar origin, study says

Water is one of the major building blocks of life and Earth has an abundance of it, as 71 percent of its surface is covered by water, largely due to its expansive oceans. Now a new study theorizes that Earth's water may have been carried to our planet from ancient comets, millions of years ago.

from FOX News https://fxn.ws/2WopBbj
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