So, if the universe is expanding...

[SaltyNuts]

... what exactly is it expanding into? Now, to preempt the regular gang of troll and losers, I get that the standard response is "its not expanding into anything, the universe ITSELF is expanding". Yea yea, I get it.

But imagine our universe as a 3d image on a computer screen. Imagine it take up half the screen. A billion years later, it takes up a good bit more than half the screen. What was in the area that got taken up by the universe in that billion years before the universe got there? I mean, maybe its "nothing", but even nothing is something in a sense. Does this "nothing" go on forever and ever?

I think this is just more evidence that what I basically proved in another thread is true - we are living in a simulated "universe", and the reason none of this shiat makes sense is because of this.

Thanks for any thoughtful responses. F U to the trolls, in advance.

 

[lxskllr]

There's no law that says there can't be other universes. I think a universe is a larger form of a galaxy. A bunch of crap collects in one place, explodes, and creates a universe. IOW, outside the universe is a bunch of almost nothing aside from bits of stuff here and there that sometimes accumulates to make a universe.

Either that, or I'm wrong. Doesn't really matter. Nothing out there affects my life. I'm more concerned about the dickheads that don't use their blinkers.

 

[DaveSimmons]

If the universe is NOT expanding, what is outside the walls? Nothing?

I mean, maybe its "nothing", but even nothing is something in a sense. Does this "nothing" go on forever and ever?

So then, it "must be a simulation" whether it's expanding or a fixed size. Because nothing.

 

[sandorski]

Your Mom.

 

[Ken g6]

M-theory would say that the universe is expanding into the multiverse which is expanding much faster, and that the universe's relatively slow expansion is an anomaly.

 

[Charmonium]

This never made any sense to me either. The story of the big bang and inflation is that space itself expanded faster than the speed of light. That implies that space did not exist outside of the expanding universe. But obviously something existed even if that something was nothing. Since as we know from quantum mechanics, even empty space is a seething cauldron of virtual particles.

 

[SaltyNuts]

Your Mom.

Thank you for your troll post. If you would like to contribute something relevant to the thread topic, it would be greatly appreciated. Have a nice day.

 

[SaltyNuts]

There's no law that says there can't be other universes. I think a universe is a larger form of a galaxy. A bunch of crap collects in one place, explodes, and creates a universe. IOW, outside the universe is a bunch of almost nothing aside from bits of stuff here and there that sometimes accumulates to make a universe.

Either that, or I'm wrong. Doesn't really matter. Nothing out there affects my life. I'm more concerned about the dickheads that don't use their blinkers.

With all due respect, I'm not sure how this relates to the thread topic. Sure, there might very well be other universes, or other simulated universes, but that doesn't answer the question as to what THEY are expanding into.

 

[SaltyNuts]

If the universe is NOT expanding, what is outside the walls? Nothing?



So then, it "must be a simulation" whether it's expanding or a fixed size. Because nothing.

No no no, I agree. Fixed or expanding, the same issue arises. Which kind of proves my point...

 

[SaltyNuts]

M-theory would say that the universe is expanding into the multiverse which is expanding much faster, and that the universe's relatively slow expansion is an anomaly.

OK, so what is the multiverse expanding into? Same issue.

 

[lxskllr]

With all due respect, I'm not sure how this relates to the thread topic. Sure, there might very well be other universes, or other simulated universes, but that doesn't answer the question as to what THEY are expanding into.

Yea it did. Read again; Repeat til you understand

 

[SaltyNuts]

This never made any sense to me either. The story of the big bang and inflation is that space itself expanded faster than the speed of light. That implies that space did not exist outside of the expanding universe. But obviously something existed even if that something was nothing. Since as we know from quantum mechanics, even empty space is a seething cauldron of virtual particles.

EXACTLY Charmonium. You get it. I will say one thing. Exactly as you say, even empty space is a seething cauldron of virtual particles, according to quantum mechanics. But that is empty space in this universe, as we know it, which is apparently expanding in volume. So if empty space is seething with particles in this universe as it is expanding, what is the space it is expanding into? Empty space without the seething of particles? It just makes no sense.

Another way to put it. I was listening to a string theorist podcast the other day. He said he had a great awakening. He had given some lecture about how, one day, we will have the theory of everything. An equation. After the lecture, some guy walked up to him and said something like, OK, let's say you come up with the equation for everything. Let's call it E=MC^2 (that's not right, but let's just go with it). He asked the scientist, well, what being, or what force or energy, made that the equation? The string theorist admitted it was a great question and he would not have an answer. Weird stuff. In my mind there is only one conclusion...

 

[DaveSimmons]

Inceptionverse. We're a simulation, but applying the same logic the enclosing universe is also a simulation as is the one running that simulation. Turtles all the way down.

 

[sandorski]

EXACTLY Charmonium. You get it. I will say one thing. Exactly as you say, even empty space is a seething cauldron of virtual particles, according to quantum mechanics. But that is empty space in this universe, as we know it, which is apparently expanding in volume. So if empty space is seething with particles in this universe as it is expanding, what is the space it is expanding into? Empty space without the seething of particles? It just makes no sense.

Another way to put it. I was listening to a string theorist podcast the other day. He said he had a great awakening. He had given some lecture about how, one day, we will have the theory of everything. An equation. After the lecture, some guy walked up to him and said something like, OK, let's say you come up with the equation for everything. Let's call it E=MC^2 (that's not right, but let's just go with it). He asked the scientist, well, what being, or what force or energy, made that the equation? The string theorist admitted it was a great question and he would not have an answer. Weird stuff. In my mind there is only one conclusion...

If there is an Equation, the Scientist who discovers it made(will make) it.

 

[effowe]

Heard a good analogy about this one..

http://www.astro.ucla.edu/~wright/balloon0.html

This animation shows an expanding universe model with yellow blobs for galaxies and moving, redshifting photons. The animation starts at a redshift of 3 when the Universe was 4 times smaller than it is now, and finishes at the present. Taken literally, the ratio of the radius of the "balloon" to the Hubble distance c/Ho implies an Omega = 2 currently and Omega = 1.14 at z = 3. Note that the galaxies do not expand: bound systems are not affected by the expansion of the Universe. Also note that the speed of light relative to the nearby galaxies is a constant - if your browser is properly using the duration values in the animated GIF file.

The expansion is like the space on an inflating balloon. The space between us and any other object in space becomes further apart as it expands.

More..

https://phys.org/news/2013-11-universe.html

A better analogy is the surface of an expanding balloon. Not the 3 dimensional balloon, just its 2 dimensional surface. If you were an ant crawling around the surface of a huge balloon, and the balloon was your whole universe, you would see the balloon as essentially flat under your feet.

Imagine the balloon is inflating. In every direction you look, other ants are moving away from you. The further they are, the faster away they're moving. Even though it feels like a flat surface, walk in any direction long enough and you'd return to your starting point.
You might imagine a growing circle and wonder what it's expanding into. But that's a nonsense question. There's no direction you could crawl that would get you outside the surface. Your 2-dimensional ant brain can't comprehend an expanding 3-dimensional object. There may be a center to the balloon, but there's no center to the surface. Just a shape that extends in all directions and wraps in upon itself. And yet, your journey to make one lap around the balloon takes longer and longer as the balloon gets more inflated.

 

[BoomerD]

Universe expanding is a perfect explanation for why my gawd-damned pants keep shrinking...I'll use that for an excuse next time I have to buy a bigger size...

 

[disappoint]

If the universe is NOT expanding, what is outside the walls? Nothing?

Walls? What walls? There are no walls. Mexico refused to pay for them.

Seriously, there are no walls.

I'll tell you what is outside the observable universe: Spacetime expanding at speeds greater than c. Since you won't be interacting with that anytime soon it's nothing more than an intellectual curiosity.

 

[WelshBloke]

... I get that the standard response is "its not expanding into anything, the universe ITSELF is expanding". Yea yea, I get it.

I refer you to the answer that you obviously didn't "get" earlier.

 

[disappoint]

The space between us and any other object in space becomes further apart as it expands.

No. The spacetime between galaxies is expanding. The spacetime inside of the galaxies is bound by gravity and not expanding.

https://physics.stackexchange.com/q...ally-bound-systems-and-cosmological-expansion

 

[PowerEngineer]

No. The spacetime between galaxies is expanding. The spacetime inside of the galaxies is bound by gravity and not expanding.

Not exactly.

Space expands uniformly, however the (current) rate of expansion for the relatively short distances (on a cosmological scale) between gravitationally bound masses is so small that the masses remain bound to each other. How small? I've seen one estimate that the influence on the earth's orbit around the sun is "only one part in a septillion over the age of the Solar System". The attractive force of gravity easily overcomes the slow expansion of space even within the galaxies (no discernible red shift of stars within the Milky Way due to expansion). You need to get to intergalactic distances before the expansion of space becomes really noticeable (i.e. you can measure a red shift).

Same explanation for why atoms haven't expanded in size since the beginning of the universe. The electromagnetic forces are more than enough to keep the electrons in their orbits.

Of course, this is all true now before the "Big Rip" https://en.wikipedia.org/wiki/Big_Rip

And to the Op: No it does not. You deciding this is a "simulated universe" just because you cannot wrap your mind around a hard concept is like the observer of a UFO declaring that because it is unidentifiable that it must be an alien spacecraft. Just jumping to an unsubstantiated conclusion.

 

[John Connor]

To answer the OP's question. We're just slaves.

 

[John Connor]

All I know is that when I eat one of these, my pants expand.

 

[smackababy]

What is, because of the dilation of time as you approach the speed of light, the universe is expanding, and everything in it, so fast that the big bang just happened?

 

[John Connor]

 

[zinfamous]

my colon