The Big Bang Theory

[ChineseGirl]

I hope that most of you know what this theory is. But I think that it's not even right because if everything in the universe was one atom and and it exploded, wouldn't it take another atom to also make it do that? I just want to hear other people's opinions on this.

[Grandiagod]

Well you don't know the theory very well yourself. It says that all the matter was in one single point, not one atom.

[Tasselfoot]

I'd suggest reading up on the theory on wikipedia or another well respected site. There have been a few very good astrophysics related threads in CT over the past year or two. I tried searching for them, but this vB Search feature sucks. I'd suggest starting about 6 months back and looking at the thread titles in CT. You'll find 3 or 4 on similar subject matters that will likely be interesting to you.

[Reach]

I'll roll some stuff off the top of my head.

Well yea, it wasn't an atom. And contrary to popular belief, it wasn't an 'explosion' either (the term big bang was actually coined as a joke). Basically, there was a lot of energy, which makes sense since there is energy everywhere in the universe (removing everything from a point in space yields a massive amount of energy called zero point), and that energy basically just started rushing away from the other energy as containing it at a point would be too stressful, stretching and pulling already existant energy. All of this happened really fast, which ended up causing what they now call the inflation, which was recently proved to have happened by WMAP. The universe went from something relativly small contained within planck time, which means we don't even know what was happening because of the quantum effects, to something quite large within a fraction of a second. As you can imagine, this generated A LOT of heat , which basically triggered a set of events.

[SethSquall]

The thing that scares me about the "Big Bang" theory is the big crush. If you don’t know what that is, it’s the opposite of the big bang. Apparently it would be really pretty though.

[Reach]

Originally Posted by SethSquall

The thing that scares me about the "Big Bang" theory is the big crush. If you don’t know what that is, it’s the opposite of the big bang. Apparently it would be really pretty though.

The latest observations and data surrounding such things leads us to believe the big crunch will not happen. Instead, the universe will expand forever...though, about 50 billion years from now, unless we would some how be able to generate infinite energy artifically, we would cease to exist as things would be being pulled apart so fast all energy would cease to exist, stars and black holes would collapse as well as everything natural in the universe.

Almost a worse ending XD

[Tasselfoot]

It is a good thing that we won't be around in 50 billion years. Then again... we won't be around in 3-4 billion years when our own Sun dies. That whole expansion thing will increase the sun to a size larger than our orbital radius, engulfing the planet. If somehow that doesn't kill us, it will then shrink and shrink and shrink until the energy is contained in too small of an area, at which time it will explode. Or, it will just go dark and we'd freeze. I forget which category our Sun falls into.

On a seperate note, I greatly enjoy the fact that I know and understand concepts such as Planck time/length, zero point, singularity, cosmic foam...

[Grandiagod]

Tass, your assuming that in the billions of years it takes our sun to go supernova, humainity would not have evolved into a Type 2 or 3 civilization. Or be able to escape to another solar system.

[GuidoHunter]

And you're assuming the Earth has enough spare energy to move the entire planet.

MAYBE, if it's done veeery slowly...

--Guido

http://andy.mikee385.com

[Grandiagod]

Originally Posted by GuidoHunter

And you're assuming the Earth has enough spare energy to move the entire planet.

MAYBE, if it's done veeery slowly...

--Guido

http://andy.mikee385.com

Since when did I say move the planet? Type 3 civilizations are supposed to be able to controlt the fusion of the sun. Secondly, when I said escape, I meant, like in arkships or something.

[Tasselfoot]

I could care less... I'll be dead in under 100 years, baring some miraculously horrific medical discovery that prolongs life.

Horrific because if we all lived hundreds of years, we'd have some serious population control issues very quickly. It would be like Coruscant or some of the worlds in Asimov's novels.

[Hr2]

Originally Posted by Reach

The latest observations and data surrounding such things leads us to believe the big crunch will not happen. Instead, the universe will expand forever...though, about 50 billion years from now, unless we would some how be able to generate infinite energy artifically, we would cease to exist as things would be being pulled apart so fast all energy would cease to exist, stars and black holes would collapse as well as everything natural in the universe.

Almost a worse ending XD

Don't need to worry about that, the Sun will have burned out and whatever we evolve into will freeze to death in the dark, unless we manage to get to another solar system... Which is quite possible.

[Tasselfoot]

Originally Posted by Tass above Hr2

It is a good thing that we won't be around in 50 billion years. Then again... we won't be around in 3-4 billion years when our own Sun dies. That whole expansion thing will increase the sun to a size larger than our orbital radius, engulfing the planet. If somehow that doesn't kill us, it will then shrink and shrink and shrink until the energy is contained in too small of an area, at which time it will explode. Or, it will just go dark and we'd freeze. I forget which category our Sun falls into.

Thanks for reading my post.... I feel the love.

[Grandiagod]

Actually the sun will go supernova and expand out to engulf all the planets up to mars. It will be a rather hot death if we're still around.

[GuidoHunter]

Originally Posted by Grandiagod

Since when did I say move the planet?

"move the whole planet" = move the entire world population, not the physical earth.

Originally Posted by Tasselfoot

I could care less

Then do so.

Originally Posted by Grandiagod

Actually the sun will go supernova and expand out to engulf all the planets up to mars. It will be a rather hot death if we're still around.

Our sun's well under the Chandrasekhar limit; we won't be seeing any supernovas in our solar system.

--Guido

http://andy.mikee385.com

[Grandiagod]

Originally Posted by GuidoHunter

Our sun's well under the Chandrasekhar limit; we won't be seeing any supernovas in our solar system.

--Guido

http://andy.mikee385.com

Oh, I checked, I guess I meant regular nova.

[Reach]

Billions of years from now we won't be here. That's a given. There is just no way. Not to mention, billions of years from now, assuming we continued to advance and not destroy ourself from this point, we would be so advanced it really is hard to comprehend at this point some of the things that might be possible. Not to mention in hell, I wouldn't doubt even in a few centuries it would be possible to move enough of the population to sustain it to another near star if we had to.

Right now it's really hard to say what's possible and what isn't. There is still a lot of mystery to uncover, and even a billion years is a hell of a long time. Imagine the evolutionary changes alone >_<

[Tasselfoot]

In a billion years, Reach could evolve into a hot asian chick.

[Grandiagod]

Originally Posted by Tasselfoot

Critical Thinking

I rofled

[petpro32]

I think that man will eventually merge with machine, therefor eliminating most of our worries. Artificial Intelligence, It's the next evolutionary step.