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 Posted: Mon May 25, 2009 12:53 pm
Many scientists say that our universe is everything, and that our universe is space. I disagree.
A universe is a realm filled with space objects. If a human space craft could physically reach it, then it is in our universe. We could even reach the sun, though the craft would be destroyed. But even if the target to reach would take quintillions of years to reach moving at the speed of light, then it is still possible to reach it, since it is physically in our realm, and it can be physically touched by human objects. However, there may be several universes, and each universe, a different realm. (I personally think there are 12 universes, and we are in the 3rd one)
Space is everything. It is our universe, it is all other universes, it is all dimensions, and it is all matter and antimatter that is anywhere, no matter which realm or universe.
This is what I think, but what do you think?
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Posted: Sat May 30, 2009 2:34 pm
When watching The Elegant Universe video, I saw a section about special relativity that space is not a thing, but the presence of things. Objects cause a warping around them, therefore making space and time (the universe we know) exist.
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Posted: Wed Jun 03, 2009 12:21 am
What exactly do you mean by space? Do you mean the set of points which we can conceive of as existing simultaneously? Or do you mean the emptiness not occupied by the Earth?
What do you mean by a "space object"? What do you mean by "realm"? I can't agree or disagree with you until you define these terms.
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Posted: Sat Jun 20, 2009 4:05 pm
I believe that the universe is everything that exists, discovered and undiscovered.
Space is simply the space that any object can exist in, outer space is the area outside of the Earth where other planets and stars are.
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