Assertion: pulsar's mass | /r/CapableOf | provide scenario
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Source sentences:
text: The mass of a star which is 1.4 to just under 3 times the mass of the sun provides a scenario where that star has used up its hydrogen fuel and the core begins to change the overabundance of helium into carbon then eventually into silicone and so on until the transference no longer produces energy which happens when the core goes to iron.