Assertion: universe's matter | /r/CapableOf | cool for atom
Facets:
value: according to nasa
type: OTHER
value: to form
type: PURPOSE
value: after the big bang
type: TEMPORAL
Source sentences:
text: Roughly 380,000 years after the Big Bang, matter cooled enough for atoms to form during the era of recombination, resulting in a transparent, electrically neutral gas, according to NASA.