Assertion: black hole's universe | /r/HasProperty | early
Facets:
Source sentences:
text: estimated that any black hole formed in the early universe with a mass of less than approximately 1015 g would have evaporated completely by the present day.
text: Theory suggests that miniature black holes might have formed in the early universe.
text: Though, primordial black holes can also collapse directly out of a primordial density perturbation in the early universe.