The Big Bang

dt3

dt3

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Thanks to the baby I was listening to talk radio at 4:30 this morning, and caught the tail end of a debate about the Big Bang. Some cosmologist said they know the exact date of the Big Bang (He had it down to the year but I don't remember exactly: roughly 17 Billion, 700 million years ago). I had never heard an "exact" date put on it before. Anybody know where it came from?

I assumed they took the rate our galaxy is expanding and backtracked, but the same guy went on to say the rate is constantly changing. So I have no idea where the number came from.

And this provoked a thought in my normally dormant brain. If matter cannot be created or destroyed, where did the matter in the Big Bang come from?

And an even bigger question to me is: If all the matter in the Universe was in one point, the gravitational pull of that point would be infinitely high. So how could anything expand away from that point?
 
dt3 said:
Thanks to the baby I was listening to talk radio at 4:30 this morning, and caught the tail end of a debate about the Big Bang. Some cosmologist said they know the exact date of the Big Bang (He had it down to the year but I don't remember exactly: roughly 17 Billion, 700 million years ago). I had never heard an "exact" date put on it before. Anybody know where it came from?

I assumed they took the rate our galaxy is expanding and backtracked, but the same guy went on to say the rate is constantly changing. So I have no idea where the number came from.

And this provoked a thought in my normally dormant brain. If matter cannot be created or destroyed, where did the matter in the Big Bang come from?

And an even bigger question to me is: If all the matter in the Universe was in one point, the gravitational pull of that point would be infinitely high. So how could anything expand away from that point?
Click to expand...
Gravity was INSIDE of the point, and it broke away at some point, forcing everything out.
 
dt3 said:
Thanks to the baby I was listening to talk radio at 4:30 this morning, and caught the tail end of a debate about the Big Bang. Some cosmologist said they know the exact date of the Big Bang (He had it down to the year but I don't remember exactly: roughly 17 Billion, 700 million years ago). I had never heard an "exact" date put on it before. Anybody know where it came from?

I assumed they took the rate our galaxy is expanding and backtracked, but the same guy went on to say the rate is constantly changing. So I have no idea where the number came from.

And this provoked a thought in my normally dormant brain. If matter cannot be created or destroyed, where did the matter in the Big Bang come from?

And an even bigger question to me is: If all the matter in the Universe was in one point, the gravitational pull of that point would be infinitely high. So how could anything expand away from that point?
Click to expand...

Eh, I've never really been able to believe the Big Bang Theory. "dude, everything in the universe was in one little ball at one point, then it all, like, went BOOM and there was the Universe." No, I don't know how the Universe started, but I don't think it was something like that.

Also, matter can be destroyed. It's called antimatter.
 
IntruderLS1 said:
He only likes to answer the higher level questions mang. You have to just have faith that the scientific community has prooven your question. If you weren't so biased, you would clearly see it like he does. :jk
Click to expand...
:24: I'm pretty disappointed. I was hoping he'd be able to explain so dummies like me can understand how you contain gravity...
 
dt3 said:
Thanks to the baby I was listening to talk radio at 4:30 this morning, and caught the tail end of a debate about the Big Bang. Some cosmologist said they know the exact date of the Big Bang (He had it down to the year but I don't remember exactly: roughly 17 Billion, 700 million years ago). I had never heard an "exact" date put on it before. Anybody know where it came from?
Click to expand...

The dates come from the WMAP satellite. It measures the background cosmic radiation from the big bang.

dt3 said:
I assumed they took the rate our galaxy is expanding and backtracked, but the same guy went on to say the rate is constantly changing. So I have no idea where the number came from.
Click to expand...

It was first discovered my Einstien, he called it the cosmological constant.

dt3 said:
And this provoked a thought in my normally dormant brain. If matter cannot be created or destroyed, where did the matter in the Big Bang come from?
Click to expand...

From a higher dimensional universe, ever heard of M-Theory?

dt3 said:
And an even bigger question to me is: If all the matter in the Universe was in one point, the gravitational pull of that point would be infinitely high. So how could anything expand away from that point?
Click to expand...

This is because everything is expanding equally across the universe. Think of points on a balloon. When you blow it up all the points grow away from eachother, equally.
 
Mayo said:
The dates come from the WMAP satellite. It measures the background cosmic radiation from the big bang.



It was first discovered my Einstien, he called it the cosmological constant.



From a higher dimensional universe, ever heard of M-Theory?



This is because everything is expanding equally across the universe. Think of points on a balloon. When you blow it up all the points grow away from eachother, equally.
Click to expand...
How can it be a cosmological constant if it's changing?

And for the balloon points, how do they escape away from an infinite amount of gravity?

M-Theory is just that, a theory. Where did the higher dimensional universe come from?
 
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