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Webb telescope spots what astronomers believe are surprisingly large galaxies dating back to early universe.

Very interesting. Listen I have another "theory": shocker but every single galaxy we have observed so far is actually our own at different stages. Even when there are a few colliding it is an illusion. :) Even more shocking than my Black Balls theory.

No but seriously now, I love when experiments/observations of this kind do not match what scientists expect. Why? Because it is fascinating. The reality may be so different from what we know now. Maybe there was no "big bang" but something else....maybe the theory of galaxy formation is wrong. You know they had to kinda "invent" the "dark matter" to explain how galaxies are held in place. Then "dark energy" to explain why the universe expands at increasing rates...

So yeah, fascinating. Very :) - I love the Universe. It is such a wonderful garden full of mysteries.

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in reply to Tio

Rokosun
Rokosun
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> Very interesting. Listen I have another "theory": shocker but every single galaxy we have observed so far is actually our own at different stages. Even when there are a few colliding it is an illusion. 😀

Someone should take all your theories and make a science fiction novel or something, I swear I'd love them, haha 😄

in reply to Rokosun

Tio
Tio
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hahah actually if the universe had a round shape we could, in theory, see our own galaxy at some point :D
in reply to Tio

Rokosun
Rokosun
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Ooh, that reminds me of this video - youtube.com/watch?v=EjjWi5PizX…

Curved universe is a fascinating concept, we can never know for sure how the entire universe is shaped like. But in that video he points out that scientists have tried to measure the curvature of our observable universe and with a margin of + or - 0.4% they think that its flat. So considering the fact that we can only observe galaxies inside the observable universe then its very unlikely that we're seeing our own galaxy 🤔


What Shape is Our Universe? Weird Experiment Shows What Happens In Universes With Different Shapes

Get Your Vacuum Chamber Here: https://www.theactionlab.com/Follow me on Twitter: https://twitter.com/theactionlabmanFacebook: https://www.facebook.com/theact...
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in reply to Rokosun

Rokosun
Rokosun
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Also if we're seeing our own galaxy at different points of time then wouldn't we be able to tell because of the similarities? I mean, when we look at all the galaxies they're very different from each other in shape, size, and even colors or matter it contains.
in reply to Rokosun

Rokosun
Rokosun
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If you watched the video I linked above, there's also a pinned comment below it where he corrects some mistake he made. He says that in a round universe, earth (or galaxy in our case) would be stretched across the sky, kinda like if you step inside a spherical mirror you'll see your face and entire body stretched across its surface. So in the video he shows that we see another earth when he zooms in, but in reality we'll be seeing earth stretched across the entire screen.
in reply to Rokosun

Tio
Tio
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I am skeptical about dimensions haha. I never understood them. They sound to me like just a mathematical concept. But can't figure if it is just that....
in reply to Tio

Rokosun
Rokosun
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If you weren't talking about dimensions then what do you mean by the universe being round? 🤔
in reply to Rokosun

Tio
Tio
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What are dimensions in the first place? Besides the mathematical concept? Isn't everything "3d"? Even a sheet of paper is 3d since it has a width. Even if it is 1 atom thick that's still 3d. There are no dimensions other than this "3d" one we live in, isn't it?
in reply to Tio

Rokosun
Rokosun
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Yeah I get that dimensions are just a concept, but how can you explain a round universe without talking about other dimensions?
in reply to Rokosun

Tio
Tio
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idk observations, experiments, maybe it is irrelevant to even think of the universe as having a "shape". Maybe the universe is all that is/exists, and thus has no particular shape just an infinite space. idk....it is weird. But I never understood this concept of dimensions except when you talk about maths and physics. I find the concept weird and maybe it is not even a real thing.
in reply to Tio

Rokosun
Rokosun
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Of course dimensions are just a concept since we can't actually observe any other dimensions than the one we live in. And most of mathematics are imaginary things like that, even though they can be useful for solving problems sometimes. Like for example, what do we mean by negative numbers? We can never actually have a negative number of things in real life, so its like an imaginary concept that can be a useful tool sometimes.
in reply to Rokosun

Tio
Tio
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Yes but the video you showed me used these "dimensions" to "prove" that we live in a "flat" universe and not a "round" one. :) - To me that was a silly explanation but maybe I don't understand.
in reply to Tio

Rokosun
Rokosun
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The video didn't prove anything, he just mentioned that some scientists have tried to analyse the shape of the universe and they found it to be pretty flat, the observable universe that is, no one knows the shape of the entire universe. There is also a Wikipedia article about the whole thing - en.wikipedia.org/wiki/Shape_of…

cosmology

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in reply to Rokosun

Tio
Tio
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He tried to "prove". But ofc he didn't. And how can you prove the universe has this shape while using "dimensions" if "dimensions" may not even be a real thing? Maybe you can only mathematically-prove that. Anyway, have to focus on TROM II can't dig deeper into this.
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