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Goldilocks Zone Temperature Range for Habitation

Surface temperatures suitable for liquid surface water for at least part of the year are generally considered necessary for a planet to be considered habitable for liquid water using lifeforms. At ...
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Temperature of a gas giant 23 AU from Fomalhaut

The mass ranges of stars and planets are separated by the mass range of a third type of objects, brown dwarfs. Brown Dwarfs have a mass range from about 13 Jupiter masses (or about 4,131.4 Earth ...
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Temperature of a gas giant 23 AU from Fomalhaut

At this distance, radiation from the star is irrelevant to set the planetary temperature. Effectively, you are having a Brown Dwarf, fusing deuterium and at the age of Formalhaut (440 Myrs) still ...

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