Assertion: pair instability supernova | /r/HasProperty | pisn
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Source sentences:
text: A C–O core between about 64 M ☉ and 133 M ☉ will become so hot that the gamma radiation will spontaneously produce electron–positron pairs and the sudden loss of energy in the core will cause it to collapse as a pair-instability supernova (PISN), sometimes called a pair-creation supernova (PCSN).
text: The researchers think that SN 2016iet could even be what's called a pulsational pair instability supernova (PPISN).