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Meteorites that helped form Earth
may have formed in the outer solar
system
Date:
March 12, 2022
Source:
Tokyo Institute of Technology
Summary:
Earth is believed to have formed partly from
carbonaceous meteorites; which are thought to
come from outer main-belt asteroids
Telescopic observations of outer main-belt
asteroids suggest that they formed with
ammonia ice which is only stable at very low
temperatures. A new study suggests these
materials may have formed very far out in the
early Solar System then been transported
the inner Solar System by chaotic mixing
processes_
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