A second generation planet is a type of exoplanet that forms in a binary star system when one of the stars becomes a red giant and mass transfers from it to an accretion disk around the other star where the planet can form. This accretion disk is referred to by the name second-generation disk as it is the second accretion disk to form around the star.
A second generation planet is a type of exoplanet that forms in a binary star system when one of the stars becomes a red giant and mass transfers from it to an accretion disk around the other star where the planet can form. This accretion disk is referred to by the name second-generation disk as it is the second accretion disk to form around the star.
Source: Wikipedia "Second generation planet" · CC BY-SA 4.0
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