What prevents a neutron star from collapsing and becoming a black hole?
A) Gravity in the neutron star is balanced by an outward force due to neutron degeneracy.
B) Neutron stars are held up by centrifugal force due to their rapid rotation.
C) Neutron stars are solid,and like other solid spheres,are held up by the repulsive force between atoms in the solid.
D) Gravity in the neutron star is balanced by an outward force due to gas pressure,as in the Sun.
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