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New Study Says Water on Earth May Come From the Sun

According to astronomers, solar radiation may have created water on the surface of dust grains carried by an asteroid that hit Earth billions of years ago. When solar wind interacting with tiny dust particles found on certain asteroids, can create small amounts of water. –

Most modern models suggest that most of the water (H2O) on Earth originally came from extraterrestrial sources. Some say it might be from a C-type asteroid in the Jupiter-Saturn region and beyond.

This distant asteroid is thought to be the parent body of the carbonaceous chondrite meteorites that regularly crash into Earth. This particular type of meteorite is known to contain large amounts of water-bearing minerals.

But carbon chondrites may not be the only way water could have originally existed on earth. Other types of water-rich meteorites can do the same, especially since chondrite berCarbon does not explain all the water on earth.

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