Earth’s Building Blocks Came from Close to Home, Planetary Scientists Say

Mar 31, 2026 - 15:45
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Earth’s Building Blocks Came from Close to Home, Planetary Scientists Say
An artist’s impression of the asteroid 2025 MN45. Image credit: NSF-DOE Vera C. Rubin Observatory / NOIRLab / SLAC / AURA / P. Marenfeld.

A new analysis of isotopic signatures across planets and meteorite parent bodies suggests our home world formed entirely from inner solar system material, challenging long-standing theories of distant origins.

The post Earth’s Building Blocks Came from Close to Home, Planetary Scientists Say appeared first on Sci.News: Breaking Science News.

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