Assertion: black hole | /r/CapableOf | form at particular time
Facets:
value: from a collapsing star
type: TRANSITIVE-OBJECT
Source sentences:
text: Note that the maximally extended Schwarzschild metric describes an idealized black hole/white hole that exists eternally from the perspective of external observers; a more realistic black hole that forms at some particular time from a collapsing star would require a different metric.
text: Note that the Schwarzschild metric describes an idealized black hole that exists eternally from the perspective of external observers; a more realistic black hole that forms at some particular time from a collapsing star would require a different metric.