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23-03-2015
Physics

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What keeps a star inflated against the pull of gravity, which wants the whole thing to collapse on the core?

Respuesta :

23-03-2015

It's the pressure of the energy being produced in the star's core, by the
continuous nuclear fusion going on in there.

Think of a thousand hydrogen bombs exploding every second, inside a
building being held together by heavy rubber bands.

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