Assertion: pulsar's energy | /r/CapableOf | heat up the core
Facets:
value: even more
type: MANNER
Source sentences:
text: However, energy from the collapse then heats up the core even more, until it is hot enough to start burning helium and, under the extra heat of the helium burning, its outer layers expand briefly (for a "mere" 100 million years) into a massive red giant star.