Wednesday, December 15, 2021

Stellar "ashfall" could help distant planets grow

Tokyo, Japan (SPX) Dec 15, 2021
The world's first 3D simulation simultaneously considering dust motion and growth in a disk around a young star has shown that large dust from the central region can be entrained by and then ejected by gas outflows, and eventually fall back onto the outer regions of the disk where it may enable planetesimal formation. This process can be likened to volcanic "ashfall" where ash carried up b

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