Assertion: black hole | /r/HasProperty | detected
Facets:
value: more to the point—
type: OTHER
Source sentences:
text: Black holes can also be detected by watching for motions of stars near the black hole.
text: More to the point—that black holes from dead universes can be detected in the one that exists today.
text: Black holes emit no radiation, or at least nowhere near enough to be detected using existing telescopes.