I don't really get Big Bang

I can explain further as I find it interesting :)

The big bang theory is the best explanation we currently have https://en.wikipedia.org/wiki/Big_Bang#Observational_evidence. Any alternative theory would need to include these observations or have an equally compelling explanation for them (and well done Nobel Prize for you).

So based on experiments done by smashing particles together in particle accelerators we can create similar conditions that haven't happened in the universe since first fractions of a second of the big bang.

The universe obeys the laws of physics/thermodynamics as we know them from this time. Before this time we have reached the limit of our current understanding so we can only speculate.

https://home.cern/science/physics/early-universe said:
As the universe continued to expand and cool, things began to happen more slowly. It took 380,000 years for electrons to be trapped in orbits around nuclei, forming the first atoms.
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scientificamerican.com said:
The first stars did not appear until perhaps 100 million years after the big bang, and nearly a billion years passed before galaxies proliferated across the cosmos.
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Science is a two step process.

Religion just has one step, make it up and that's the fact.

One requires faith, the other does not.
 
mmj_uk said:
What started it all off though? Science's best explanation seems to be that everything came out of nothing at some point, is it really any better of a theory than creationism? are they actually contradictions except for scientists denying some kind of deity did it?
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Creationism isn't a theory. The best explanation from science isn't that "everything came out of nothing at some point". Your argument is based on incorrect premises.

There are almost always contradictions because theists almost always insert their god(s) into the universe after the start. There isn't necessarily a contradiction regarding the start and there are scientists who are also theists (though not many). It only becomes a contradiction when people confuse science and religion (as you have done). Science is about knowledge. Religion is about belief. They're two completely different things. There's nothing wrong with a scientist believing that whatever god or gods they believe in started the universe off and set up the rules by which it works as long as they don't mistake that for science. Most scientists are agnostic atheists. They don't deny that some kind of deity did anything. They do deny that there's any evidence for that non-falsifiable (and therefore useless) hypothesis and don't believe it. Most scientists are OK with the most fundamental principle of agnosticism - they're willing to say "I don't know" when they don't know.
 
keyser said:
I can explain further as I find it interesting :)

The big bang theory is the best explanation we currently have https://en.wikipedia.org/wiki/Big_Bang#Observational_evidence. Any alternative theory would need to include these observations or have an equally compelling explanation for them (and well done Nobel Prize for you).

So based on experiments done by smashing particles together in particle accelerators we can create similar conditions that haven't happened in the universe since first fractions of a second of the big bang.

The universe obeys the laws of physics/thermodynamics as we know them from this time. Before this time we have reached the limit of our current understanding so we can only speculate.





Science is a two step process.

Religion just has one step, make it up and that's the fact.

One requires faith, the other does not.
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Dude, love your work :thumbs up:
 
heh ta :)

20 odd years ago I was struggling a bit, no money, not even to have the internet(!), I used to read a lot coz that was free lol. Then I got my **** together and got reconnected to the internet woohoo ;) lol. I've read plenty of pop sci books over the years. There's a great Channel 4 documentary from around that time called Testing God which I really enjoyed, seems a fitting place to recommend it!

 
SPG said:
Then maybe your blatantly obvious is wrong and we are into the realms of dimensional theory.
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Feel free to point out what's wrong, and while you're at it how about attempting to answer what i asked, if the universe is expanding what would happen if you constantly wound back the clock?
 
Murphy said:
Feel free to point out what's wrong, and while you're at it how about attempting to answer what i asked, if the universe is expanding what would happen if you constantly wound back the clock?
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I answered your question, whether you like it or understand the answer is your problem not mine, Also you have never stated what your assumed answer to the question is, infinity works in all directions if that helps you :)
 
And that in the distant future as the expansion of our universe reaches a certain point, all stars and galaxies from our vantage point will disappear from the sky and it will be a completely black sky at night from Earth because the rate of expansion the further back you go into the universe the faster things are moving away, faster than light hence why those light streams will never ever reach us again.. BY that point the Sun will have long died there will be very little in the way of light being produced, it will be adark and cold place with no natural light anywhere to be seen apart from the occasional random body crashing into another kickstarting a new chain reaction of events hat may or may not result in new star formations or gas clouds etc.

Raymond Lin said:
The First Law of Thermodynamics dictates that Energy can be changed from one form to another, but it cannot be created or destroyed. The total amount of energy and matter in the Universe remains constant, merely changing from one form to another.
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You are forgetting that our universe did not exist before the big bang, therefore all known laws physics of any kind in our universe did not apply. The laws pf physics in any other universe or space outside of it may well be very different where something can happen from "nothing".
 
SPG said:
I answered your question, whether you like it or understand the answer is your problem not mine, Also you have never stated what your assumed answer to the question is, infinity works in all directions if that helps you :)
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No you didn't. It's very much your problem, if you can't explain something so people understand you that's on you.

I've also not stated what my assumed answer to the question is because I'm not the one making a positive claim, i wasn't the one to claim that "their was never a big bang it is a term used by idiot's who did media studies that assumes the general public are idiot's."
 
mrk said:
You are forgetting that our universe did not exist before the big bang, therefore all known laws physics of any kind in our universe did not apply. The laws pf physics in any other universe or space outside of it may well be very different where something can happen from "nothing".
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Which goes back to my original point, "very different", accepting something outside the laws of our universe, it's akin to believing god is it not? (and I didn't forget)
 
Raymond Lin said:
Which goes back to my original point, "very different", accepting something outside the laws of our universe, it's akin to believing god is it not? (and I didn't forget)
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It's not - we are discovering new physics all the time. Quantum physics was outside the laws of our universe effectively, but it describes the universe in areas were previous standard physics didn't work. It's worth noting that our understanding of physics is entirely based on the properties of the universe of itself, so they only work within it. Things like the speed of light being a fixed constant. Outside our universe that might not be the case, or indeed light might not even exist at all.
 
Jokester said:
It's not - we are discovering new physics all the time. Quantum physics was outside the laws of our universe effectively, but it describes the universe in areas were previous standard physics didn't work. It's worth noting that our understanding of physics is entirely based on the properties of the universe of itself, so they only work within it. Things like the speed of light being a fixed constant. Outside our universe that might not be the case, or indeed light might not even exist at all.
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Yes, we are discovering new things all the time, but the acceptance of "new", is allowance of acceptance of something that breaks our current understanding of laws of physics, which is akin to believing in god. If god is an umbrella term that covers something that cannot be currently explained. Like in medieval times would think a lighter is witchcraft.
 
Raymond Lin said:
Yes, we are discovering new things all the time, but the acceptance of "new", is allowance of acceptance of something that breaks our current understanding of laws of physics, which is akin to believing in god. If god is an umbrella term that covers something that cannot be currently explained. Like in medieval times would think a lighter is witchcraft.
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No, not really. We don't use god to describe something we don't understand in science.
 
Raymond Lin said:
Then how is it different to say God or make any kind of theory?

It is ALL theory, it goes to my point that thinking a lighter is witchcraft if you don't know how it works.
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Yes, but we don't just throw our arms up and say god did it. Everything about what was before the big bang is speculative, because we have zero observations of it.
 
Jokester said:
Yes, but we don't just throw our arms up and say god did it. Everything about what was before the big bang is speculative, because we have zero observations of it.
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I am not saying God exists, I am saying, believing something that can't be proven and breaks our laws of physics is believing the existence of something else, which if you think about it...breaking the laws of physics, the foundation of science, it is akin to believing in god.

Capiche?
 
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