What Created the Cosmic Microwave Background (CMB)? Visual Explanation

This video shows through animations, what the CMB is and how the CMB was created

[NoTimeLeft_]

Arvin I've been hearing this explanation for years and years and something just occurred to me. If the universe cooled the heat must have gone somewhere. Heat doesn't just leave it transfers. So where did the heat of the early universe

[EinarMiletic]

Isnt that free neutrons can exist only for 15 minutes before they undergo beta minus decay transforming into proton electron and antineutrino. So how were there free neutrons

[beneganjr]

So photons are light particles, right? Does this mean that hydrogen atoms can't form without light?

[FrancoAmber]

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[michaelbower]

So if we can look back before 380, 000 year mark, would quarks be abundant enough, (without atoms in the way) to study?

[ledaros]

What I think is interesting that the universe came from a singularity, infinitely small. But it was already possibly infinite in size at that point. Big bang is just the expansion of an infinity into itself 🧐

[Richard-lionhearted]

I think these Big Bang theories are wild guessing truly the scientific society has no true facts but it makes for great lore ! Keep spewing it out !!! 🤣

[kallianpublico]

Is the Big Bang a theory about the Universe that consciousness is a part of, or the Universe where only certain forms of matter developed? What about dark matter and antimatter? Where are they, in this theory?