Assertion: nebula's star | /r/CapableOf | collapse under the force of its own gravity
Facets:
value: to form a neutron star
type: PURPOSE
value: to form a black hole
type: PURPOSE
value: inward
type: MANNER
Source sentences:
text: There are two common routes to a supernova: either a massive star may run out of fuel, ceasing to generate fusion energy in its core, and collapsing inward under the force of its own gravity to form a neutron star or a black hole; or a white dwarf star may accrete material from a companion star until it reaches a critical mass and undergoes a thermonuclear explosion.