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The Formation of Planetesimals by the Streaming Instability

Presentation #107.03 in the session Modern Theories of Planetesimal Formation.

Published onApr 25, 2022
The Formation of Planetesimals by the Streaming Instability

One of the largest unanswered questions in planetary astrophysics is: how do planetesimals form? In this talk, I will briefly review one of the leading candidates for planetesimal formation: the streaming instability. I will then describe recent progress made in studying this mechanism via high-resolution, state-of-the-art numerical simulations. These simulations have led to a number of predictions that are being tested with observations of Solar System planetesimal populations. I will describe the results of these tests and then outline future directions to further understand this instability and what it implies for the formation of planetesimals.


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