Some of Earth's water originated in the solar system's birth

When Earth first formed, the oceans of water we know today were nowhere in sight. The long-standing consensus about where our planet’s water came from posits that it was not present during Earth’s formation and that it was later brought by chondritic materials like meteorites, asteroids and comets. But new research suggests some also came from the solar nebula — the gas and dust left over from the formation of the sun that created the planets.

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Mary Caperton Morton

Mary Caperton Morton

Morton (https://theblondecoyote.com/) is a freelance science and travel writer based in Big Sky, Mont., and an EARTH roving correspondent.  

Tuesday, March 5, 2019 - 06:00