A protoplanet seen forming at some distance from its star provides evidence for planet formation via gravitational instability, a mechanism previously invoked for being responsible for the fully formed gas giant planets at large separations seen by direct imaging.
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Ginski, C. A massive gas giant caught in formation. Nat Astron 6, 639–640 (2022). https://doi.org/10.1038/s41550-022-01665-4
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DOI: https://doi.org/10.1038/s41550-022-01665-4
