Assertion: black hole | /r/Synonym | the event horizon
Facets:
Source sentences:
text: The telescope is named after a feature on a black hole known as the event horizon, a boundary around the edge of a black hole beyond which no light or other radiation can escape.
text: What is meant by the term associated with black holes called the "event horizon"?
text: When some matter is pulled toward a black hole it is ricocheted off of the edge area of the black hole known as the “event horizon” and can be thrown outward instead of pulled into the opening.