Researchers have provided the first experimental evidence that shear-flow instability occurs under conditions similar to planet-forming regions, bridging a critical gap in understanding how fine dust aggregates into planetesimals.
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https://www.sflorg.com/2026/03/asph03172601.html
From dust to planets: a turbulent story

Planets form within protoplanetary disks: vast disks of gas and dust orbiting around very young stars.