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What are the least hottes stars?

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Anonymous

14y ago
Updated: 8/19/2019

In terms of active stars, These are the red dwarfs that burn slowly and at lower temperatures, but last for trillions of years. Brown dwarfs have been identified which can be as cool as 350 kelvin on the surface, but the nuclear activity of these is thought to be more sporadic. Once a star dies, the core left over will gradually cool to become a black dwarf, but it is thought that there are none of these currently present in the universe as not enough time has passed for one to cool sufficiently.

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Wiki User

14y ago

What else can I help you with?