Gravity and the Big Bang

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Gravity and the Big Bang

Post by CivBase on Tue Oct 06, 2009 11:26 am

No, this is not an evolution vs creation thread. It is more of a brain convultion. Please correct any errors in my thinking before I develop a crazy idea.

So... what is a planet? Is it a giant clump of dirt with a gravitational pull? Well, such seems to be the obvious way of looking at it, but what about the other way around?

What keeps a planet together? What makes it a perfect circle? Gravity. So, without gravity, a planet wouldn't exist. And, on a much larger scale, the same force keeps our entire galaxy together. But what keeps gravity where it is?

The Big Bang is an interesting theory (one I don't necessary see as a fitting explanation, but whatever). Everything shrinked, everything spun, and everything broke apart into the worlds we have today. In order for this to work, for everything everywhere to fit in that little speck, there would have to be an extremely strong gravitational pull.

This could mean a few things:
1. The gravity couldn't break apart as the big bang suggests... or could it? But how?
2. There could be more to the universe, outside the gravitational pull of the "big bang". After all, the universe is infinite (theoretically) and I can't imagine an infinite gravitational pull would every happen naturally.
3. I'm completely wrong and my limited knowledge on gravity has caused me to ponder a problem solved long ago.

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Re: Gravity and the Big Bang

Post by Rotaretilbo on Tue Oct 06, 2009 2:06 pm

Gravity: ur doin it rong.

Basically, you are thinking of gravity as a force that only exists in places where there is large mass. But, like electromagnetism and nuclear powah, gravity is a universal force.

The difference between this and your thinking? It means that if the universe were to suddenly be devoid of mass and thus devoid of anything to create gravity, and then mass were introduced, this mass would have a gravitational pull.

Further, all mass has gravity. I am gravitational, you are gravitational, etc. It is just that gravity is only really strong in ridiculously large quantities. That's why gravity is called the weak force of the four core forces.

Also, I believe it is a planet's spin that keeps it perfectly round. This can be evidenced by the Earth being just a touch oblong along the equator, rather than a perfect sphere.

The main question I have about the Big Bang theory is how absolutely everything can be condensed into a single point, and then explode out for no apparent reason and create the universe.

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Re: Gravity and the Big Bang

Post by KristallNacht on Tue Oct 06, 2009 3:12 pm

Rotaretilbo wrote:
The main question I have about the Big Bang theory is how absolutely everything can be condensed into a single point, and then explode out for no apparent reason and create the universe.

it was just energy that was created from "nothing". not mass. the energy then became mass.

We've already proven that Conservation of energy is not entirely true.


and to answer...OPs comments. when dust started to form in the early universe its exceptionally smaller gravitational pull started pulling it together with other specks and so on and so forth. eventually these specks would form either planets of stars pending on their atomic make up.

of course...stars were formed first since there was only hydrogen after the big bang, and the nuclear fusion in the stars is what created the other elements.
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Re: Gravity and the Big Bang

Post by A_Bearded_Swede on Tue Oct 06, 2009 4:21 pm

Hmm, i'm not the most informed about this topic, but what about Dark Matter and Dark Energy? Don't they play a role in this stuff?

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Re: Gravity and the Big Bang

Post by KristallNacht on Tue Oct 06, 2009 4:41 pm

Baconsen wrote:Hmm, i'm not the most informed about this topic, but what about Dark Matter and Dark Energy? Don't they play a role in this stuff?

yup, but we don't really know much about dark matter
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Re: Gravity and the Big Bang

Post by A_Bearded_Swede on Tue Oct 06, 2009 4:50 pm

KristallNacht wrote:

yup, but we don't really know much about dark matter
I know Dark Matter is what is holding the universe together, while Dark Energy is pulling it apart.
But other then that, i don't know much.

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Re: Gravity and the Big Bang

Post by Kasrkin Seath on Tue Oct 06, 2009 5:24 pm

Dark matter is what is theoretically filling up what we know as space. It does not react with any of the fundamental forces from what we know, hence why it is called 'Dark' and is theoretical.

Same goes for Dark Energy, except its almost certainly not theoretical

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Re: Gravity and the Big Bang

Post by KristallNacht on Tue Oct 06, 2009 5:30 pm

actually dark matter does exist and doesn't 'fill up the space'

science knows how dark matter SHOULD behave, and has found ways to theoretically find it based on that info.
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Re: Gravity and the Big Bang

Post by Kasrkin Seath on Tue Oct 06, 2009 5:34 pm

Untill its proven its basically a theory, and they have not been actually able to prove that it exists.

If it doesn't fill up space, then where exactly is it then?

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Re: Gravity and the Big Bang

Post by A_Bearded_Swede on Tue Oct 06, 2009 6:22 pm

Kasrkin Seath wrote:

If it doesn't fill up space, then where exactly is it then?

Coolest Guy Evar wrote:I know Dark Matter is what is holding the universe together, while Dark Energy is pulling it apart.
But other then that, i don't know much.

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Re: Gravity and the Big Bang

Post by Nocbl2 on Tue Oct 06, 2009 6:42 pm

Dark Energy doesn't exist. Dark Matter has yet to be proved, but considering the fact that we shouldn't be able to stand w/ such little gravity on our planet, there is a high chance it exists. Plus, does anyone remember the Voyager Probe (or was it another one?)controversy, about the flight paths and where they should end up? That leads me to believe a massive gravitational force must be somewhere near Sol....

Now, my question is: is dark matter sucked in by black holes, and does it have gravitational effect?
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Re: Gravity and the Big Bang

Post by KristallNacht on Tue Oct 06, 2009 8:32 pm

Nocbl2 wrote:
Now, my question is: is dark matter sucked in by black holes, and does it have gravitational effect?

everything gets sucked into black holes and everything has gravitational effect.

even light gets sucked into black holes. hence why black holes are black. their actual color isn't black, but their gravity is so strong that light can't escape.

Black holes are what make our galaxy spin, and universe expand.
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Re: Gravity and the Big Bang

Post by Ascendant Justice on Tue Oct 06, 2009 8:40 pm

I find this thread exceptionally interesting...

Please continue your argument for I am intrigued.

I r also lerning.
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Re: Gravity and the Big Bang

Post by BBJynne on Tue Oct 06, 2009 9:27 pm

In the beginning there were not one, but two Jormungar worms.
These worms looked upon the emptiness and saw it to be boring as hell, so they created hell as a place to be as boring as what they saw. The two Jormungar worms then brought everything else into being, so there could be a comparison to the boring shit going on in hell and space.

That is all I have to say about that.

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Re: Gravity and the Big Bang

Post by Rotaretilbo on Tue Oct 06, 2009 9:30 pm

In the beginning, there was nothing. Then Chuck Norris round house kicked that nothing in the face and said "get a job!"

Thus began the universe.

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Re: Gravity and the Big Bang

Post by BBJynne on Tue Oct 06, 2009 9:32 pm

Sounds cool Rot. I think we should combine our beliefs so that in the beginning, there was nothing, Chuck Norris did his thing and thus were made not one, but two Jormungar worms, and the worms looked upon the...

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Re: Gravity and the Big Bang

Post by Nocbl2 on Tue Oct 06, 2009 10:52 pm

Rotaretilbo wrote:In the beginning, there was nothing. Then Chuck Norris round house kicked that nothing in the face and said "get a job!"

Thus began the universe.
Hijacked from Chuck Norris .com...
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Re: Gravity and the Big Bang

Post by Rotaretilbo on Wed Oct 07, 2009 3:41 am

Ironically, I've never been to Chuck Norris .com, and simply knew that joke from word of mouth.

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Re: Gravity and the Big Bang

Post by Nocbl2 on Wed Oct 07, 2009 8:05 am

Odd... 0.0
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Re: Gravity and the Big Bang

Post by Ukurse on Thu Oct 08, 2009 5:08 pm

Lol, I have a shit science teacher.
She said that Gravity is a property that belongs only to the earth, and that there is nothing else in the world that we know of that has a gravitational pull...

When I heard this it made me lol.


Also it is funny that you say this now, there is some theme on the Documentary Channel t od owith this this week, and I watched a bit of it. It was quite interesting, talking about how planets are made and stuff.


Last edited by Ukurse on Thu Oct 08, 2009 5:21 pm; edited 1 time in total
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Re: Gravity and the Big Bang

Post by KristallNacht on Thu Oct 08, 2009 5:20 pm

Ukurse wrote:Lol, I have a shit science teacher.
She said that Gravity is a property that belongs only to the earth, and that there is nothing else in the world that we know of that has a gravitational pull...

When I heard this it made me lol.

lol is she religious?
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Re: Gravity and the Big Bang

Post by KrAzY on Thu Oct 08, 2009 5:21 pm

i'm fairly certain that even religious people have accepted gravity as a force...
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Re: Gravity and the Big Bang

Post by Ukurse on Thu Oct 08, 2009 5:26 pm

KristallNacht wrote:
Ukurse wrote:Lol, I have a shit science teacher.
She said that Gravity is a property that belongs only to the earth, and that there is nothing else in the world that we know of that has a gravitational pull...

When I heard this it made me lol.

lol is she religious?
Don't know.
If she was, she would just teach science as she was told because she is a science teacher and that is what science teachers do, and if she disagrees with the science she is being told to teach us then why the fuck did she become a science teach.
Her stupidity is beyond me.
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Re: Gravity and the Big Bang

Post by Dud Doodoo on Thu Oct 08, 2009 6:01 pm

All pales in comparison to my black geography teacher arguing that Africans are the master race.


Last edited by Dud Doodoo on Thu Oct 08, 2009 6:14 pm; edited 1 time in total

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Re: Gravity and the Big Bang

Post by Felix on Thu Oct 08, 2009 6:11 pm

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Re: Gravity and the Big Bang

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