The Outer Solar System Contributed Nothing To Earth

April 07, 2026 Universe Today

The Outer Solar System Contributed Nothing To Earth
By Evan Gough (https://ift.tt/C94AB7H)

Earth as imaged by Artemis II Commander Reid Wiseman. There are many questions about how Earth formed, where the material originated, and how it got its water. A new study of isotopic compositions among meteorites and asteroids shows that Earth may have formed entirely from inner Solar System material. Image Credit: NASA/Reid Wiseman

New research shows that Earth formed from inner Solar System material. Isotopic geochemistry analysis found no evidence that material from beyond Jupiter contributed to Earth's bulk composition. The results also support the idea that Earth's water wasn't delivered by comets.

April 8, 2026 at 12:29AM
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