The AI-generated cat pictures thread
https://theaviationgeekclub.com/an-i...-allied-force/
Explanation of how Yugoslavia took out an f-117 in 99
Explanation of how Yugoslavia took out an f-117 in 99
James Webb Space Telescope Just Proved Big Bang Theory is WRONG
Never a good idea to call science "settled."
Never a good idea to call science "settled."
Boost Pope
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Agreed. That's something which politicians and other laypeople tend to do.
But, if you're interested in some background on the video you posted, give this a read: https://www.space.com/james-webb-spa...science-denial
But, if you're interested in some background on the video you posted, give this a read: https://www.space.com/james-webb-spa...science-denial
So asking what shape the big bang was is asking what shape the universe was, which is a complicated question.
As for how it got there, current cosmological theory says that before the big bang we had "inflation", where space was expanding exponentially everywhere. Inflation stopped in some tiny part of that pre-universe space (quantum decay of a sort), and the area in which it stopped became our universe and was the big bang. If so, then it's likely that our universe isn't the only one, that inflation may well have stopped in many (perhaps infinitely many) other locations, but all of those universes still have "inflation space" in between them so there's no way for any kind of information or mass/energy to travel between them.
If you're interested in cosmology/etc but don't want to deal with the math required, the PBS SpaceTime youtube series does a great job of explaining it to the lay person. Here's the episode on inflation:
--Ian
Agreed. That's something which politicians and other laypeople tend to do.
But, if you're interested in some background on the video you posted, give this a read: https://www.space.com/james-webb-spa...science-denial
But, if you're interested in some background on the video you posted, give this a read: https://www.space.com/james-webb-spa...science-denial
Boost Pope
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Join Date: Sep 2005
Location: Chicago. (The less-murder part.)
Posts: 33,339
Total Cats: 6,793
Where that matter and energy came from in the first place, and what, if anything, existed prior to the Big Bang, is likely one of those un-knowable things. Only philosophy and religion have made any serious attempt at tacking that question, producing wildly varying answers which range from "God did it" to "That which exists has always been" to "The universe remains manifest for 4.32 billion years and unmanifest for an equal length. Innumerable universes exist simultaneously. These cycles have and will last forever, driven by desires." all the way out to "It cannot be proven that the universe does exist at all."
None of those are particularly helpful answers. But then... what really is the use of knowing the answer?
The Big Bang Theory (and, really, all of cosmology) concerns itself with the physical process by which matter and energy were transformed and organized into what we today recognize as the universe.
Where that matter and energy came from in the first place, and what, if anything, existed prior to the Big Bang, is likely one of those un-knowable things. Only philosophy and religion have made any serious attempt at tacking that question, producing wildly varying answers which range from "God did it" to "That which exists has always been" to "The universe remains manifest for 4.32 billion years and unmanifest for an equal length. Innumerable universes exist simultaneously. These cycles have and will last forever, driven by desires." all the way out to "It cannot be proven that the universe does exist at all."
None of those are particularly helpful answers. But then... what really is the use of knowing the answer?
Where that matter and energy came from in the first place, and what, if anything, existed prior to the Big Bang, is likely one of those un-knowable things. Only philosophy and religion have made any serious attempt at tacking that question, producing wildly varying answers which range from "God did it" to "That which exists has always been" to "The universe remains manifest for 4.32 billion years and unmanifest for an equal length. Innumerable universes exist simultaneously. These cycles have and will last forever, driven by desires." all the way out to "It cannot be proven that the universe does exist at all."
None of those are particularly helpful answers. But then... what really is the use of knowing the answer?
I am just going to chalk it up to "Magic" and forget the whole thing.