Anyone still smarting over Pluto's demotion to dwarf planet has a reason to perk up. There's some evidence that the planetoid didn't form through the standard process and may instead be the remains of up to a billion comets, smashed together.
The post Pluto Might Have Formed as a Giant Comet, Not a Planet appeared first on ExtremeTech.
from ExtremeTechExtremeTech https://www.extremetech.com/extreme/270066-pluto-might-have-formed-as-a-giant-comet-not-a-planet
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