Neutron stars are:

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Low density star remnants with a mass less than the mass of the Sun.

Incredibly small remnants of supermassive stars where the gravitational collapse is halted by neutron degeneracy.

Incredibly big and massive star remnants that expel all neutrons in a supernova explosion.

1 answer

Neutron stars are:

Incredibly small remnants of supermassive stars where the gravitational collapse is halted by neutron degeneracy.