Assertion: black hole | /r/HasProperty | singularity
Facets:
Source sentences:
text: The black hole itself is a singularity, a point of infinite density.
text: A black hole is made up of three parts: the singularity (the collapsed star), the ‘inner event horizon’ (the region around the singularity where nothing, not even light, can escape), and the ‘outer event horizon’ (where objects will still feel the gravity of the black hole but do not become trapped).
text: While that primordial speck is a singularity, and black holes are also a singularity, it turns out that the primordial matter at the origin of the universe isn't a black hole, because matter can escape it.