Ancestors

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Written by Fraser Cain on 2025-01-28 at 17:18

Astronomers have discovered an exoplanetary system with two gas giant planets that are messing up each other's orbit. One planet has 3.8 Jupiter masses and orbits every 82 days, while the other has 1.4 Jupiter masses. There's also a mini-Neptune world in the system. The two giant planets are locked in a 2:1 orbital resonance, and because of their gravitational interactions, the heavier planet can vary in its orbit by up to 4 days.

https://www.avcr.cz/en/media/press-releases/Violent-dance-of-massive-gas-giant-planets/

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Descendants

Written by skryking on 2025-01-28 at 19:46

@fraser that seems like it would really screw up calenders and keeping track of days and such with it varying like that.

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