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still can't get my head round it.
Former Member
Posts: 1,876,323 The Mix Honorary Guru
in General Chat
someone explain in simple terms for a simple lad ...if the universe is expanding ...where is it expanding to and into what?
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Can't get your head around it? Don't worry, I doubt there's anyone who can.
Although maybe there are other universes around our own, and one day they'll meet and overlap (if they haven't already).
Other universes?
Thats a contradiction, everything there is is just the one universe. If there are other universes, what's outside them?
theres no where for it to expand to ...so it creates somehow ...the space to expand into.
it hurts my head.
wrong.
you don't understand.
the space is the universe ...not just the solid bits.
think of the big bang ...there was no space.
suddenly there was some ...this space is expanding ...into what ...how?
Works for me.
Yes and I believe that the non-solid bits are the space. Just nothingness.
Personally, i just accept an idea of nothingness, and don't question it. I've questionned it before and it just gets way too difficult to comphrehend.
Why not? What's outside the "space" then?
Atoms...considering we're all made of the damn things.
lost me there mate.
Yea it's space, it has to be made of something. There's no such thing as nothing, it has to constitute something. Oh shit i'm getting confused myself.
what has to constitute something?
there is no space outside of the universe.
thats why i have trouble with it expanding ...never mind.
Space itself is the absence of matter... exactaly why your fucked if you go in it. Although, if this "dark matter" which in theory exists (Puley because of the lack of any evidence to show it does, so, it must be there!) then there is matter passin through everything all at once.
Outside the universe, is the absence of anything I guess. Even the absence of nothing... or a theory I am working on is that our universe is a small experiment in a much larger one. They've created a little experiment to watch a whole system live and die... we are it. Maybe.
Outside of the universe is a big sign saying "Gone to lunch. Back in 5".
Or, our universe is just a turd excreted by a huge celestial bunny. Called Gordon.
all this red shift bollox might just be ...well bollox.
trouble then though ...is if it aint expanding ...it must be contained in something ...meaning theres something else beyond it.
Why? What is it with people and thinking there must be "more" ? Gah, you people, can't just accept the idea this is all there is. Us and the life in our universe. I don't beleive it, but it could well be. I think there are many dimensions.
Gordon the celestial bunny :yes:
He's the only answer.
i'm just trying to understand the bit we know about.
is it exapnding ...if so ...into what?
if it aint expanding ...then why not ...whats stopping it?
is it in a box?
Yeah, under me bed.
Erm, well... we don't know's the only answer. We are trying to find out, but as far as I can see there is nothing outside it. Not even nothing, as there is in space. The complete abscence of anything, and the existence of somthing is spreading out the way, until it goes so far, and begins to come back in, crushing everything into a small, compact, mass of alot of material with much energy. Then it blasts out again... in a big bang.
Even more space?
How do we know where/if space ends?
Doesn't Hawkins believe that, to travel past the outer-reaches of "space", you'd end up at where you started...