a question for yall.

[5mj7R7yf4Dwr3gdZyyu9PeGNwYjlNrjzuh3iTXQG]

well there cannot be another universe because anything that exists or can exist is in our universe so... ya

Not any more. Brane cosmology [http://en.wikipedia.org/wiki/Brane_cosmology] recognizes our universe as one in multitudes within a larger manifold known as the bulk, though since we are unable to peer outside our own brane, what is outside the bulk is outside the scope of our speculation. Similarly, we cannot speculate much of what happened before the big bang since there's no before the big bang on our own time-axis. Events that caused the big bang (such as an intersection of branes) would have had to happen on a different time-axis perpendicular to the time of our universe, so such events would have occurred nearly instantaneously from our perspective (and our universe is instantaneous to the perspective of that time-axis.

think about this:
what if our universe is marcoscopic to another one, or mircoscopic to another one.

Carl Sagan speculated in Cosmos our universe was a mere particle in a grander scheme and that universes hide in the quanta of our own atoms. I'm not sure how much M-Theory [http://en.wikipedia.org/wiki/Membrane_%28M-Theory%29] has changed that as a possibility. We regard strings or branes as atomos (a hypothetically irreducible component), though sooner or later (probably later) we'll have to raise the question, and it remains certainly possible that deep in the fibers of strings are other universes to behold.

Similarly, The Bulk (above) is beyond our reach, so we don't know whether it is infinite or a particle in an even greater system of events. So Segan's speculation (and yours) are still valid possibilities.

238U.

 

[Blunderboy]

What if? Who cares?
It would make no difference to how we view the universe, as it's all a matter of scale.
Did you watch Men in Black recently by any chance?

 

[Akytalusia]

it would change nothing about our own perspective of it; verifiable knowledge of these things could alter our sense of absolute value though, in a good way.

 

[CANofKAM]

think about this:
what if our universe is marcoscopic to another one, or mircoscopic to another one.

well there cannot be another universe because anything that exists or can exist is in our universe so... ya

No not really.
When you get into intermediate philosophy, or some branches of physics, the concept of mutiple dimensions and universes (universi?) becomes a rather compelling idea.
It is very narrow-minded to assert that everything that exists, exists now, here, with and around us.

OP: it seems someone just finished watching MIB.
Also, who is this yall? Is it a he or a she, and why are we answering your question for them?
This yall must not be very intelligent...

its just my way of referring to a group of people.

*sigh* people just don't understand the word 'Universe'. No, the universe is not just the space, galaxy, etc. ANYTHING, i mean ANYTHING, and the totality of known or supposed objects and phenomena are inside the Universe. There is one universe, anything that can or does exist is inside it.

 

[BGH122]

...
then there's big things out there.

i often think maybe we're actually living on electrons of an atom, and the universe is a molecule.

That's a pretty cool thought exercise, but even that doesn't accurately depict how minutely small our planet is in relation to the universe. It'd probably be closer to Earth being a sub-atomic particle, our solar system being an atom, our galaxy being a giant molecule, our universe being a massive molecular structure containing numerous strongly attracted molecules. Here's a quick demonstration of our extraordinarily small size in comparison to the universe as we know of it:

Earth

The Solar System

The Milky Way (our galaxy)

The Known Universe

In Order

Our planet is so tiny and insignificant on the grand scale of things that it's humbling.

 

[Thaluikhain]

*sigh* people just don't understand the word 'Universe'. No, the universe is not just the space, galaxy, etc. ANYTHING, i mean ANYTHING, and the totality of known or supposed objects and phenomena are inside the Universe. There is one universe, anything that can or does exist is inside it.

That depends on your definition of the word. Some people interpret it differently.

In any case, the popular culture idea of multiple universes/dimensions[footnote]I hate using the word "dimension" that way[/footnote] is pure science fantasy. There is no proof for it, no way it can be tested or disproved at the moment. It has been cited as a possible explanation for things, but then, so has the Flying Spaghetti Monster.

The idea is interesting, but not much more than that.

 

[.No.]

I would say you've read too many Marvel comics with Hank Pym or the Fantastic Four in with not enough understanding of physics.

or maybe he just finished the first dark tower book?

OT: well, when we get tested in an atom bomb in the bigger universe, all i can say is this....well fuck. Hellboy must have opened the portal to let the Ogdru Jihad out of their prisons to make it be our exact atom in there.

i don't read comics.

The Gunslinger(first Dark Tower Book) isn't a comic book. There was a series of comics about Roland's origin, but the main series is comprised of books.