this post was submitted on 15 Jul 2023
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New research puts age of universe at 26.7 billion years, nearly twice as old as previously believed::Our universe could be twice as old as current estimates, according to a new study that challenges the dominant cosmological model and sheds new light on the so-called "impossible early galaxy problem."

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[–] moridinbg 6 points 1 year ago (8 children)

Are there any constants that we actually know to have varied along the lifetime of the universe?

[–] rhokwar 2 points 1 year ago (2 children)

I don't know if this counts as a constant, but I read that time moved something like 5 times slower in the early years of the universe.

[–] vimdiesel 6 points 1 year ago (1 children)

It didn’t as time is relative just like space. There is no absolute standard of time to say “time moves faster”. Faster relative to what?

[–] rhokwar 1 points 1 year ago

Yeah, you're right. I guess it's 5 times slower relative to how we perceive now, so it's definitely not a constant.

https://phys.org/news/2023-06-quasar-clocks-universe-slower-big.html

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