Assertion: black hole's force | /r/CapableOf | act on a chunk of matter
Facets:
value: at the star's surface
type: LOCATION
Source sentences:
text: These two things oppose each other -- the gravitational force of the star acting on a chunk of matter at the star's surface will want to cause that matter to fall inward, but the internal pressure of the star, acting outward at the surface, will want to cause the matter to fly outward.