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The Conversation USA

Asteroid dust brought back to Earth may explain where our water came from with hydrogen clues

  • Written by Maitrayee Bose, Assistant Professor of Earth and Space Exploration, Arizona State University
Planetary scientists believe that Earth was formed by the conglomeration of meteorites and comets -- which also brought water.Festa/SHutterstock.com

Oceans cover more than 70% of the Earth’s surface, and scientists argue that the planet’s interior also contains a lot of water. But where did all this water come from?

I and my postdoc Zili...

Read more: Asteroid dust brought back to Earth may explain where our water came from with hydrogen clues

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