I don’t know shit and everything I thought I was right about is probably wrong
Almost everyone once thought the big bang was the beginning of everything and started from a singularity. Now we know that there never was any singularity and that cosmic inflation preceded and set up the big bang.
We also know the now observable universe contained a significant amount of space at the time of the big bang. It was a minimum of 2 meters in diameter, and probably much bigger. Of course, the full universe would have been far bigger.
Cosmology seems to blow every 20-30 years it seems. It’s worth noting that accelerating expansion of the universe was only discovered in 1998. It wouldn’t be a surprise if the books get rewritten or massively altered again.
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Almost everyone once thought the big bang was the beginning of everything and started from a singularity. Now we know that there never was any singularity and that cosmic inflation preceded and set up the big bang.
I didn’t realize our theories have changed regarding this. Do you have a good source for an idiot like me?
There was a prior state of the universe before the big bang known as “cosmic inflation”. This prior state lasted an unknown length of time.
https://bigthink.com/starts-with-a-bang/evidence-universe-before-big-bang/
We also know the now observable universe contained a significant amount of space at the time of the big bang. It was a minimum of 2 meters in diameter, and probably much bigger. Of course, the full universe would have been far bigger.
https://www.forbes.com/sites/startswithabang/2021/08/25/how-small-was-the-universe-at-the-start-of-the-big-bang/?sh=7e6c19735f79
https://www.forbes.com/sites/startswithabang/2018/07/27/there-was-no-big-bang-singularity/
Cosmology seems to blow every 20-30 years it seems. It’s worth noting that accelerating expansion of the universe was only discovered in 1998. It wouldn’t be a surprise if the books get rewritten or massively altered again.