protoneutron
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protoneutron star — noun A star which is cooling and contracting to become a neutron star … Wiktionary
Neutron star — redirects here. For the story by Larry Niven, see Neutron Star (short story). Neutron stars crush half a million times more mass than Earth into a sphere no larger than Manhattan. A neutron star is a type of stellar remnant that can result from… … Wikipedia
deleptonization — noun The loss of leptons from a supernova or rotating protoneutron star … Wiktionary
