On a website dealing with Jupiter
it is written.
Jupiter is just about as large in diameter as a gas planet can be. If more
material were to be added, it would be compressed by gravity such that the
overall radius would increase only slightly. A star can be larger only
because of its internal (nuclear) heat source. (But Jupiter would have to be
at least 80 times more massive to become a star.)
This is logical on the face of it...i suppose....but haven't we recently been
told about "superjovians" that orbit other stars?
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