A neutron star is a type of stellar remnant that can result from the gravitational collapse of a massive star during a Type II, Type Ib or Type Ic supernova event. Neutron stars are the densest and tiniest stars known to exist in the universe; although having only the radius of about 10 km (6 mi), they may have a mass of a few times that of the Sun. via 500px http://ift.tt/1CI0TAE
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