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12-20-2014, 11:16 PM
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According to the Law of Conservation of Mass, matter (and energy) can neither be created nor destroyed. So to answer your question about where all this matter came from, the answer, according to the Big Bang theory, is that it has always been here. Every molecule, every atom, every material object is composed of mostly empty space. If you sucked out all of the empty space in, let's say the Empire State building and left only the solid matter, it would amount to less than the size of a grain of rice, although it would be a super heavy grain of rice. So according to the theory, the whole universe, devoid of empty space, was once the size of an acorn. It then exploded and has been expanding ever since. A bigger question might be where did the empty space come from? According to the theory, space and time didn't exist until a fraction of a second after the explosion. The biggest mystery is figuring out precisely under what conditions they were created.
But just as a sidenote, one question I've always had is: if the universe is expanding, what is it expanding in? To say something is expanding is to suggest that there is a larger body outside of that thing. For example, I can fill a balloon with air and it expands. It only expands because it is in a much larger room, within which it has space to expand. But the orthodox concept of the universe is that it IS EVERYTHING, so there could be nothing outside of it for it to expand in.
Last edited by NOBLE; 12-20-2014 at 11:19 PM.
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12-20-2014, 11:16 PM
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According to the Law of Conservation of Mass, matter (and energy) can neither be created nor destroyed. So to answer your question about where all this matter came from, the answer, according to the Big Bang theory, is that it has always been here. Every molecule, every atom, every material object is composed of mostly empty space. If you sucked out all of the empty space in, let's say the Empire State building and left only the solid matter, it would amount to less than the size of a grain of rice, although it would be a super heavy grain of rice. So according to the theory, the whole universe, devoid of empty space, was once the size of an acorn. It then exploded and has been expanding ever since. A bigger question might be where did the empty space come from? According to the theory, space and time didn't exist until a fraction of a second after the explosion. The biggest mystery is figuring out precisely under what conditions they were created.
But just as a sidenote, one question I've always had is: if the universe is expanding, what is it expanding in? To say something is expanding is to suggest that there is a larger body outside of that thing. For example, I can fill a balloon with air and it expands. It only expands because it is in a much larger room, within which it has space to expand. But the orthodox concept of the universe is that it IS EVERYTHING, so there could be nothing outside of it for it to expand in.
Last edited by NOBLE; 12-20-2014 at 11:19 PM.
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12-20-2014, 11:54 PM
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Quote:
Originally Posted by NOBLE
According to the Law of Conservation of Mass, matter (and energy) can neither be created nor destroyed. So to answer your question about where all this matter came from, the answer, according to the Big Bang theory, is that it has always been here.
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So no energy was used to create the Big Bang
Or sometimes energy does what it wants...like Eric Cartman
Can't have it both ways...
A "Big Bang" implies there was a beginning to the explosion
Once upon a time...
Collective elements from nowhere with no beginning
With a nondescript mass, shape, & set amount of energy already set in motion
Was self-disturbed and exploded into space that didn't exist
The End
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12-20-2014, 11:54 PM
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#2
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Quote:
Originally Posted by NOBLE
According to the Law of Conservation of Mass, matter (and energy) can neither be created nor destroyed. So to answer your question about where all this matter came from, the answer, according to the Big Bang theory, is that it has always been here.
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So no energy was used to create the Big Bang
Or sometimes energy does what it wants...like Eric Cartman
Can't have it both ways...
A "Big Bang" implies there was a beginning to the explosion
Once upon a time...
Collective elements from nowhere with no beginning
With a nondescript mass, shape, & set amount of energy already set in motion
Was self-disturbed and exploded into space that didn't exist
The End
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12-21-2014, 01:10 AM
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Quote:
Originally Posted by Spooky Deep
So no energy was used to create the Big Bang
Or sometimes energy does what it wants...like Eric Cartman
Can't have it both ways...
A "Big Bang" implies there was a beginning to the explosion
Once upon a time...
Collective elements from nowhere with no beginning
With a nondescript mass, shape, & set amount of energy already set in motion
Was self-disturbed and exploded into space that didn't exist
The End
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There are definitely holes and gaps left to be filled, questions left to be answered. I think the Big Bang and an expanding "universe" is plausible based on observations such as the Cosmic Microwave Background which keeps moving further and further away when measured and the fact that every solar system and galaxy seems to be moving further from every other solar system and galaxy when measured. I don't think, however, that the Big Bang is anywhere near being a complete theory, but it does answer some questions, perhaps better than any other theory that has been put forth.
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12-21-2014, 01:10 AM
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#3
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Quote:
Originally Posted by Spooky Deep
So no energy was used to create the Big Bang
Or sometimes energy does what it wants...like Eric Cartman
Can't have it both ways...
A "Big Bang" implies there was a beginning to the explosion
Once upon a time...
Collective elements from nowhere with no beginning
With a nondescript mass, shape, & set amount of energy already set in motion
Was self-disturbed and exploded into space that didn't exist
The End
|
There are definitely holes and gaps left to be filled, questions left to be answered. I think the Big Bang and an expanding "universe" is plausible based on observations such as the Cosmic Microwave Background which keeps moving further and further away when measured and the fact that every solar system and galaxy seems to be moving further from every other solar system and galaxy when measured. I don't think, however, that the Big Bang is anywhere near being a complete theory, but it does answer some questions, perhaps better than any other theory that has been put forth.
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