Where was the epicentre of the big bang (universe) in relation to us?

[CheeryTulip]

Just curious Behind the sun or behind Pluto?

Speak for yourself. I don’t understand far more than half of it!

I try not to think about higher dimensions, not since that first-year lecture that said our best guess at the time was 13 dimensions, but with most of them ‘curled up too small to detect.’

I think that was the point I realised I was never going to be the next Einstein.

Yeah @GuppytheCat I get it.

When my dad passed away I experienced something that I can only describe as intense energy.

I'm no way religious in any form so I never went along those lines.

13? I thought there was 9!

String theory is still just...theory isn't it.

I believe we know what we know but we know very little, only what we know.

13? I thought there was 9!

It’s a long time since I was a first-year physics student. Could have gone either way since then.

@GuppytheCat

I've watched videos on it and it blows my mind. I love this stuff. And talking about it makes my day! So rare to see a thread like this on MN

After watching, the scientific show, a town called eureka, us humans, have barely begun to understand the complex mysteries of various branches of science etc

That's a fair point, but what if the early models we base our current calculations on were wrong ?

I loved it but couldn’t quite hit the level of advanced maths required.

The 2020 Nobel Prize-winning physicist Roger Penrose has proposed one intriguing but controversial model for a cyclical universe dubbed “conformal cyclic cosmology”. Penrose was inspired by an interesting mathematical connection between a very hot, dense, small state of the universe – as it was at the Big Bang – and an extremely cold, empty, expanded state of the universe – as it will be in the far future. His radical theory to explain this correspondence is that those states become mathematically identical when taken to their limits. Paradoxical though it might seem, a total absence of matter might have managed to give rise to all the matter we see around us in our universe.
www.iflscience.com/how-could-the-big-bang-arise-from-nothing-62093

Thanks @Discovereads for that link. That's weirdly makes sense to me despite me still learning this stuff with crayons!

"a period so early in the universe’s history that our best theories of physics break down. This era occurred only one ten-millionth of a trillionth of a trillionth of a trillionth of a second after the Big Bang"

From that article. Just, wow.

@Hawkins001 well he has a chair at good university and has papers published on the black hole information loss paradox so I generally take his word for these things, doesn't mean I expect you to though!

I so want to understand all of this but there is a reason I did Arts🤣🤣🤣

At the same time, it gives a basic understanding of his credibility to understand the complexity of the topic.

What if we need a whole new branch of science to fully understand the complexities of space phenomenon, that does not rely on previous theories, but instead based on observational perspectives ?

But’s that how to some extent it/science already works…it has almost always been a two way process with the applied scientists to generate data/provide a check on the whatever the theoreticians have come up this week, and OTOH it is sometimes observational oddities that cause a light to go on in some theoreticians brain and a new theory gets developed…

For example (if I remember correctly) it was the observation that the more distant an object is the more it’s spectrum is shifted to the red end of the spectrum (i.e. further away, receding more rapidly) that led to the whole idea of the expanding universe and things like the Big Bang theory…

Another example was the puzzling observation that the speed of light seemed to always be a constant regardless of how it was measured and regardless of the motion of the measuring system. That observational puzzle fed ultimately into Einstein’s and others theories, which in turn got back checked by observers looking for and finding the consequences of said theories, such as seeing that massive objects bend the path of rays of light and gravitational lensing.

And it’s so exciting when long-standing ideas get out to the test and are confirmed — or even better, proved wrong!

@Daftasabroom A Milky Way of pots and pans for sure.

I think they emit the energy as heat. Superheated atoms zooming around their veins like a particle accelerator. All going on in parallel universes kitchens, or at least in yours and mine. Might there be others out there?

Wow. First image from JWST 😍