380,000 years

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Every mention of 380,000 years across the entire archive — with clickable timestamps to jump straight to the source.

1 Video
4 Mentions
So for 380,000 years, there was an orange light that filled the universe and it was this plasma.
[1:43:51 - 1:44:03] ▶
But at 380,000 years after the Big Bang, it finally cooled enough that for the first time, the proton could grab an electron and boom, you've got a hydrogen atom.
[1:44:04 - 1:44:19] ▶
It's 380,000 years?
[1:44:19 - 1:44:21] ▶