Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective astronomy Used only in the phrase
protoneutron star
Etymologies
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Examples
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Somewhat less massive stars may first explode in a supernova, but their protoneutron stars may subsequently accrete sufficient mass to also collapse to black holes.
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A temperature of 100 MeV is rather high for a protoneutron star, though not impossible to obtain just before to collapse to a black hole.
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