Assertion: black hole's singularity | /r/CapableOf | become known as black holes”—a term
Facets:
Source sentences:
text: And it wasn’t until 1967, 12 years after Einstein’s death in 1955, that these astrophysical singularities became known as “black holes”—a term coined by American physicist John A. Wheeler during a conference in New York to describe the grim fate of a massive star after it runs out of fuel and collapses in on itself.