Is jupiter is fail star ?

11 March 2024 1 8K Report

why critical mass is require to start nuclear activity ?

Sureel,

In order for fusion to occur, one needs a certain temperature, pressure, and confinement time. The latter is not an issue for a star (it has all the time in the World!), and the first two parameters are intrinsically set by the mass of the object.

Jupiter is quite a way away from fusing - it's about 1% of the mass of the smallest known dwarf that supports fusion.

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