What do planet formation and badminton have in common?

From @ArsTechnica: "Dust grains in protoplanetary disks align via the same aerodynamics as the sport."

https://flip.it/RiWHjv

See the full paper here: https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2248/7783265?login=false

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What do planet formation and badminton have in common?

Drag from the gas in a planet forming disk helps align all the dust grains that go on to form planets.

^{Ars Contributors (Ars Technica)}