What is the Universe Expanding Into?

By popular Space Fan request, I offer this video to help answer some of your questions regarding the expanding universe. Many of you consistently ask: If the universe is expanding, then what is it expanding into?

This concept is non-trivial to try and explain in a 5 minute YT video, but I do my best. I hope this helps!

Thanks to all of you space fans for watching this channel, it means a lot to me.

Music from Kevin MacLeod:

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Автор Gmmaverick (13 дней)
"The fabric of space and time is expanding"
This is why I (being polite) call these people "babbling idiots"
*First-* Time doesn't exist, it's merely a measurement tool created by
humans to measure how long it takes for a particle to move from point *A*
to point *B* and,
*Second-* If space was "expanding" the most basic logic tells you that we
wouldn't be able to realize it because *EVERYTHING* would be expanding at
the exact same rate. Hence the solar system would be expanding, the earth
(and everything in it) would be expanding, WE would be expanding, and of
course our measurements devices would be "expanding" as well, *AND* with it
the measures themselves.

Автор iiXeno (1 месяц)
This is false. God made the solar system and stars, not a universe as you
would call it. Why do you think he was on Earth? to save us!

Автор willieofroanoke (3 дня)
Another video that answers no questions. Watching another of his junk...
oops I mean "science" videos he said before the big bang there was
literally nothing. Not time, not what we refer to as space, no atoms, no
matter, no particles, nothing, nada, totally empty, just a big fat zero.

That begs a simple but tantalizing question. IF there was nothing,
absolutely nothing, how did anything happen? You have no space for any
Singularity to form in. If that's not a big enough problem you neither have
time for it to happen in. Yet science insists this magical Singularity of
their imagination is the cause of both time and space and everything in it.

If you protest and say our universe is but one of many in some limitless
multiverse that's a cop out because all I need to ask is how the first of
these came to be. If you said they all happened at once, I still can ask
how? Where did the first spec of matter/energy come from? Say it always
existed and the universe or multiverse is infinite that still avoids the
same question unless you say everything that is, ever was or will be
originated from nothing. Absolutely nothing. Anyone honestly think that
makes sense?

Автор s0medudeonline (19 дней)
In the video he said that if there is a boundary we can never see it
because the universe is expanding. I've got a fair understanding of the
expansion of the universe concept (I couldn't follow the math to save my
life but I think I understand the concept fairly well) and of course
looking from earth we could never see the boundary if there is one but if
someday we derived a technology to warp space to travel faster then light
or create wormholes and teleport then what is stopping us from seeing the

Автор Zachary Hunter (3 месяца)
Simple. Thought creates reality. Pure consciousness is neither polarities
on the quitensential basis of metaphysics. An outer universe that wraps
around the universe created a world of gods and goddeses and their faerie
kingdom with their own version of nature. peace

Автор Justus McNeal (1 месяц)
The question is a good question, but the answer is simple:

This question assumes that the Universe is "inside" of something, which is
an assumption that, even if true, which no evidence points to, then it only
begs the question "What is the thing the Universe expanding into inside of?
Eventually, you're going to arrive at a point where this "thing" isn't
inside of anything, and it is simply all there is. 

Автор Roy Rki (2 месяца)
So the universe is a black hole?

Автор VederchiHarry (9 дней)
It all depends on what You call "our Universe". One thing is sure, our
"observable Universe" is about 28 billion light years in diameter and is
expanding into something that is also related to the Big Bang but we cannot
see because its beyond the Time barrier of the Big Bang.

Автор Stuart Bermingham (2 месяца)
If the space between objects is expanding then doesn't that mean that
objects will also be getting bigger because the space inside them is
expanding? Therefore object would not appear to be moving away from each
other... please help me!

Автор Dannys99887 (6 дней)
@ Dean Bainbridge: When you see a comment that begins with the words "Time
doesn't exist", which then proceeds to totally dismiss one of the most
successful theories in the history of science, all you can really do is
ignore the nut job who posted it. He may be a religious fanatic, or he may
be a huckster peddling his own cosmology theory, but it's all simply
arrogance and ignorance, and there's never a way to penetrate that
combination. (The name calling starts really fast with these guys.) This
guy wouldn't be able to understand the theory's mathematics of General
Relativity, but he could understand the concepts of the theory with the
resources posted on the internet. He could understand the time coordinate
of cosmology by simply reading the Wikipedia article on "Cosmic Time." But
guys like this are not about to do something as simple as that. He prefers
to spout gibberish.

Автор Yusif Carlos (11 дней)
وَالسَّمَاءَ بَنَيْنَاهَا بِأَيْدٍ وَإِنَّا لَمُوسِعُونَ

And the heaven We constructed with strength, and indeed, We are [its]

Автор Al Milligan (5 месяцев)
Interesting that when we talk about space/time we are measuring it by an
absolute space and time. These forms seem to be fixed. The narrator says
space/time is not a static entity. Measured by what but those forms of the

Автор Ron Bohlouli (12 дней)
As I understand "space time"; If somehow all matter were frozen (stopped)
in a now moment, there would be no past or future Hence time would not
exist. Since all matter is moving, by all accounts in one direction "the
arrow of time" this gives us the past, the now and the future. And it can
work only in this way, barring warping space time, but that is a different

Автор Roxidius (6 месяцев)
Man, your videos are almost like a spiritual experience to me.
I'm an atheist btw.

Автор Jake Jones (26 дней)
Notice that he did NOT answer the question when he said "if there are
boundaries"? He only said "we are expanding into something".

Автор Naeem kuzco (27 дней)
"And the firmament We have verily built with might, and verily we are
expanding it*" (51:47)

﴿وَالسَّمَاء بَنَيْنَاهَا بِأَيْدٍ وَإِنَّا لَمُوسِعُونَ﴾

Автор Tefo Reborn (7 месяцев)
“And the heaven We created with might, and indeed We are (its) EXPANDER.”
(Quran 51:47)

Автор TheDarkomasia (2 месяца)
God doesn't exist, religitards, ever heard of the Big Bang?

Автор Naimul Haq (5 месяцев)
Why are the galaxies tumbling into other galaxies although expanding
universe means they should be moving away from each other?

Автор AlexanderHL (1 месяц)
NO! NO WAY!!! I REFUSE!!!! If space time has to be created anew, than
beyond the limit of expansion of our universe shouldnt be any existing
spacetime so what is? >:( Are we in the middle of nowhere? Where is this
nowhere ? Whats it made of? ARGGHGHHHHHH !!?!?!?!?!?! >:(

Автор Ludak021 (7 месяцев)
what is the space between electrons or quarks or anything in that scale?
It's not air of course, it's not gas (we are on a far lower scale) what is
it? It is empty and consists of nothing yet it provides some distance in
space...Maybe I am just ignorant...

Автор snakebitmgee (3 месяца)
I don't know what makes less sense; A universe that ends, or a universe
that goes on forever.

Автор Josh Cook (3 месяца)
If I had 1 wish, it wouldnt be for money or fame, it would be to know all
the secrets of life. I find myself with many questions. For instance....Our
earth is in the solar system, and the solar system is in the universe, but
what exactly is the universe in?

Автор Introgauge .C (3 месяца)
Here's a question I've never heard before, is our galaxy moving somewhere?
and at what speed? Seems kind of naive to think that our own galaxy is just

Автор proximity1620 (2 месяца)
One day a person looking through a microscope will observe a person looking
through a telescope.

Автор chamillion707 (1 день)
Name of the song at the beginning plz

Автор Aamir Mirza (22 часа)
The Presenter assertion that we did not have any knowledge of other
galaxies about 100 years a go is plain wrong. Maybe in the West they did
not , Ancient Indians however were fully aware on the Universe, Galaxies
and stars , Our own Galaxy was called the "Akash Ganga", Universe
"Bhramand" , they knew the earth was round and went around the sun. As far
as 3000 BC.

Автор uper azz (9 дней)
it's expanding deeper and deeper into your mom

Автор Jackie Wilson Fan (6 месяцев)
You really do have to ask yourself the question. What the F%*#K is going
on? What the F&#K is it all about? Life I mean... And the universe. I'm
sorry but god is just to simpler answer. Or maybe not. Who really knows.
Absolutely no one that's who. lol. Anyway better just enjoy it aye.

Автор sincity147 (9 дней)
Something is odd... If E=MC^2 , so C^2=E/M and C^2 been space then by the
law of conservation of energy somewhere in the universe E and M has been
turning into C^2 as it is expanding, but why? What is making E and M
turning into C^2 ? as E and M is getting smaller and smaller.

Автор Mark McLaren (11 дней)
God simply creates the Universe to never be discovered its secret by the
humanity ever. There was no boundary its simply Infinite maybe? We can ask
so many questions about this but we will never be discover any of it. The
Fotons from where the universe was created about 500 million years ago was
all that we can capture because that's how the light pass through the lens
of any instrument can detect or maybe the fotons fade. He created the world
in exact timing so that mankind will never find the answer though he give
us brain and the ability to think.

Автор AstralBliss (13 дней)
The universe is expanding into you...

Автор Ivan Ivanovič (8 дней)
What is the Universe Expanding Into? Something (universe) is expanding into
nothing(ness). Nothingness was never created and cannot be destroyed. It is
eternal, infinite, omnipresent, changeless. It just is. Nothingness would
exist even if there was no metter and energy. Because it is nothing. It
exists and does not exist at the same time. 

Автор Dzonatan Gavert (12 дней)
I think our ability to think is causing a problem where the question in
this video is but a mere symptom.

Because we have these concepts like "infinity" and "beyond" we like to
think that everything is contained in something and that something is
contained in something and that something is also contained in something
and so on and on and on.

Does anyone find it odd that our minds which seeks anwsers paradoxically
create more questions?

Автор mehdi abedian (4 месяца)
Time-space matter is meaningsless whitout thinking about enegy and mater.
Because defintion of time-space is the other dimensions of mater-energy

Автор memento vivere (18 дней)
thank you for posting this...i'm a subscriber

Автор Barbara Miller (3 месяца)
so the center of the universe is empty because of the expansion and our
universe is like a doughnut ?

Автор HOOSIERS35 (27 дней)
This is just crazy. Yet fascinating.

Автор Kriegsmann (6 месяцев)
3:07 KSP vets know all too well what that music means.

"I actually got this flying bundle of fuel and scrap metal into space!"

Автор STAXONDECK1 (28 дней)
The universe is the mind 

Автор yinYangMountain (7 месяцев)
1. If the universe is infinite, how can the question even be coherent?
I.e., If the fabric of our universe is space/time, and more is being added
-- while at the same time expanding from a dense point into itself, how is
this coherent?

2. The question unanswered: You are in a ball of expanding flat space/time
(think of the chocolate cookie dough example not the outside surface of a
balloon example) and somehow travel to the last galaxy; you continue to the
inside edge of where 'fabric' ends; what will happen if you travel one
meter more?

3. If there is a multiverse, and gravity waves are caused by universes
bumping, what is the stuff between them that they are expanding into? And
if it is literally nothing (non-existence) how is it coherent they are

I await a response that does not spend almost six-minutes to say, we don't
know; it does not concern us; or, conflate the concepts which confuse the
topic and question posed.

Автор Susan Ray (1 месяц)
Ofcourse before the bigbang all there was was just black its so black not
even black is a color makes sence right but yet we have not discovered the
outside of space no one knows that its expanding or not wait if it wasnt
expanding time wouldnt exist shit wat is wrong with me only god can tell us
and thats gods decision 

Автор John Haynes (25 дней)
wonderfuf video .... tys so very much .............JxxyHxxy

Автор Ronald de Rooij (8 месяцев)
The more I learn about the universe, the less tangible it gets. Space and
time linked, third dimension is an illusion, space is a hologram, energy
out of nothing, virtual particles, time is an illusion, etc... I did not
know that a year ago... If this goes on I think in a few years time, I will
learn that my whole existence is an illusion created by my own illusive
brain or something?

Автор Donny Vang (1 месяц)
Can't imagine a universe that goes on forever or infinity! On the other
hand can't imagine one where u come to a stop and hit dead wall, what then
lies on the other side of the wall. And if it does curl up on itself like a
bubble, one would have to imagine what and if there are other bubbles
outside. I have a distinct feeling it's a question we cannot know right
now, our evolutionary has not brought us far enough to withstand the
answer. If we can step out and be able to see the whole thing, shape and
structure, and if there are other universes, we would just collapsed and
die. Our brains just aren't wired to understand or comprehend something
that large, we simply cannot take it!

Автор Danny Criss (27 дней)
He states the universe has been around for 13.5 billion years. That is not
what my priest says. When I ask him when Genesis occurred, the answer he
gives is about 6000 to 7000 years. So, one of the two are either lying, or
is so far wrong that is is laughable. The distance between this
(13,500,000,000) and this (7000) is so massive that it defies logic. If it
were two numbers that are in the same ball park, like, say, 100 million vs
400 million, then I could see where both have valid arguments to be
correct. But with the difference so huge, something is wrong. Who to
believe? Hmm...sorry Father Keven, I must decline your answer and go with
my head on this one. But, Father Kevin is a good guy who gives great advice
on life issues. So it's not all bad.

Автор santaown81 (1 месяц)
if the universe is finite it still can expand into nothing (Itself) cause
If there is nothing that means something has to be there otherwise nothing
exist which is a paradox!

Автор Zoe TheCat (8 месяцев)
Our universe is probably a local event. The Big Bang that created our
observable universe is only one of an infinite number of others. Think of
an infinite sponge of 'Nothing' where big bangs occur randomly.

This would imply that there is infinite life.

Автор jerimias weed (29 дней)
Maybe space time has always been here. The only thing expanding is the
distance between matter. Redshift could possibly be a misunderstanding of
the way radiation changes over vast periods of time according to some

Автор monajat alrhman (1 месяц)
i belive
Becase our God told us

47. With [indescribable] power did We construct the heaven. Indeed, We are
Able to extend the vastness of space thereof.

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