HR 8799: Challenging Planet Formation

HR 8799: Challenging Planet Formation

Dive into the extraordinary HR 8799 system, a captivating exoplanet system located 129 light-years away in the constellation Pegasus! Witness breathtaking insights into four super-Jupiter exoplanets, revealed through seven years of groundbreaking observations by the Keck Telescope in Hawaii. This video showcases comprehensive images compiled by Caltech's exoplanet imaging expert, Jason Wang, offering an unparalleled dynamic perspective on these unique planetary orbits.br br Explore HR 8799e, the innermost planet discovered in 2010, now known to harbor a colossal global storm. Uncover how these celestial bodies orbit their host star within the same orbital plane, consistent with formation from a circumstellar disk. Despite its apparent order, the HR 8799 system profoundly challenges existing planetary formation models, particularly regarding the in-situ genesis of all four planets.


User: Nariene

Views: 1

Uploaded: 2025-09-16

Duration: 01:14

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