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Thu, 17 Sep 2026
Topic

#Astronomy

Scientific editorial illustration of early planetary formation showing a molten proto-Earth in an accretion disk surrounded by inner solar dustscience

ETH Zurich Study Upends Planetary Formation Science with Inner Solar System Findings

A scientific study published today by planetary researchers at ETH Zurich has overturned long-standing models of planetary creation. High-precision isotopic fingerprinting shows Earth formed almost entirely from inner Solar System materials, disproving the prevailing theory that outer solar system meteorites delivered the vast majority of our planet's volatile mass.

Jerry VasoyaJerry Vasoya · ·4 min read

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