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Giant Planet Swaps during Close Stellar Encounters

15 Apr 2020, 16:00 UTC
Giant Planet Swaps during Close Stellar Encounters
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Yi-Han Wang et al 2020 ApJL 891 L14
Simulations show that giant planets born around a typical Sun-like star could be exchanged during a dynamical interaction with a flyby low-mass star, resulting in a tight orbit of the planet around the low-mass star.

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