These stars are supported against their own gravity by the exclusion principle between neutrons, so they do not collapse into black holes. They are very small, cold, and dense. Certain kinds are called pulsars because they emit pulses of radio waves.
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Neutron stars Term Timeline in A Brief History of Time
The timeline below shows where the term Neutron stars appears in A Brief History of Time. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 6
...showed that stars supported by the exclusion principle acting between protons and neutrons would become neutron star s, which are much smaller and denser than white dwarves.
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...to see in the earth, but in a system called PSR 1913 + 16, two neutron star s are orbiting each other. J. H. Taylor and R. A. Hulse won the Nobel...
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...1967, Jocelyn Bell-Burnell and her supervisor Anthony Hewish found a pulsar, which is a rotating neutron star . It was the first of its kind of be found, and held out hope...
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...object is far above the Chandrasekhar limit, meaning it is not a white dwarf or neutron star . It is most likely a black hole.
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Chapter 8
...as they contract again. The central portions of the star contract into dense regions, becoming neutron star s or black holes, though this is not yet fully understood. Sometimes outer parts of...
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