Two-Step Planetary Accretion
Image may be cropped. Click to view. Two-Step Planetary Accretion
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 formed, but outgassed most of it because they were hot from their formation. Previous theories held that the rocky planets developed after the gas- and ice giants, acquiring their water later via asteroid and comet impacts.

Title: Two-Step Planetary Accretion

Category: Infographics

Date: Jan 2021

Client: University of Oxford

Medium: Photoshop, 3DS Max

Keywords: 3DS_Max accretion Adobe Photoshop birth disc Oxford University planetary formation planetoids press release proplyd protoplanetary disc protoplanets solar nebula University of Oxford

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