Big Bang question. If all matter was squished into such a tiny space, the universe can't be infinite, can it?

Answer 1

no

Answer 2

Physicists often use confusing terms. When people speak of the speed of light, there are extremely significant differences in meaning between the concept in Newtonian physics and in relativity.

As well, when people speak of an infinite universe, there are multiple notions involved. The universe may or may not be infinite in time, in other words it may or may not exist forever into the past and/or into the future. If it is infinite in time, it may or may not be infinite in space.

Your usage of infinite refers to infinite space, yet to infinite smallness. The universe may or may not have been infinitely small at the time of the big bang.

Therefore, no matter what the state of space at the time of the big bang, the universe may or may not be infinite, in time and possibly space.

Answer 3

The Universe is not considered infinite. If it were where would it expand to. Still the singularity that exploded into our Universe is considered to be infinitely small if you can get a grip on that concept. Infinitely small yet still existing. We theorize that the infinitely small exploded into nothingness.

I expect that the Universe will not be pulled back on itself and go through another Big Bang (interesting use of words). Because the Universe is expanding faster and faster it seems that it will continue to expand until it cools to absolute zero and ceases to exist.

Answer 4

Well I see space as consisting of two different parts. The first part you mentioned is all of the matter that was compressed in the Big Bang. The other part is the vast expanse of empty space. Even when all of the matter was compressed into its small mass there was probably still empty space surrounding it. This empty space could be infinite with matter from the bang spread throughout.

Answer 5

You and Bluewra are correct -- if the Big Bang theory is correct, then the universe is necessarily finite. (I'd add, probably "finite but unbounded" -- meaning there is no edge or border or outside of the universe, because the universe is all there is ... but it's still finite.)

If in truth the universe is INfinite, then the Big Bang theory is false.

It's not possible to have a Big Bang AND an infinite universe.

Answer 6

The universe isn't infinite.
The universe is a ball of energy
that exists above the speed of
dimension.
What lies outside the universe
is probably and undertow much
like that of black holes.
This collapse or suction counteracts
the expansion force, and drags
particle energy back to a quantum
state.
Eventually, creation reforms when
this quantum state erupts.

The theory that all energy can fit on
the "head of a pin," is based on the
idea that quantum energy has no time
or space, which means this type of
energy is nowhere and everywhere,
simultaneously.

Answer 7

There is no way the big bang could have happened for a number of reasons: 1)explosions never lead to anything but distruction, not life or planets, or human bodies that are so complex even we do not understand all about them. For example if you blow up a car, you can do it as many times as you want, you will never get life, or even another car, or a building, or a planet.
2) if their was a big bang where did the matter come from? it had to have been created by something

these are just two of the many reasons why the big bang cant be proven

Answer 8

that is a perplexing question as it is hard to imagine the universe just stopping, but that is what is suggested.

You could think that the universe has stopped at the border but true dead space continues on, into perhaps an infinite blackness of some sort.

Is it easier for the universe to stretch forever or stop somewhere? neither is particularly understandable to me

Answer 9

If this theory is correct then it couldn't be infinite. Einstein theorized that if you were going in a straight line eventually you would end up at the same spot again due to the structure of the universe.

Answer 10

well i don't see your problem just because the amount of matter in the universe is not infinite has nothing to do with the amount of space that is present and i assure you there is an infinite amount of space

Answer 11

yes it can dont define the universe by its matter it is the amount of space between the chunks time has no end and stil exists even if thers no one there to notice it.