Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Apparently, cosmic inflation attempts to account for this as the universe seesaws back and forth between expansion and contraction.
Source: https://www.discovermagazine.com/the-sciences/did-the-big-bang-happen-more-than-once