Two-Step Planetary Accretion (Jan 2021)
Two-Step Planetary Accretion (Jan 2021)
Artwork of the formation of the Solar System, according to a new theory by Tim Lichtenberg (and
others) at Oxford University. The new theory proposes that planets formed in two stages - first the
inner, rocky ones, and then the outer, ice- and gas-rich ones. The inner planets absorbed water as
they
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