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 CANAL GG ( назад)
There was a time
The universe didn't exist
Neither did that time.

Автор spalkin ( назад)
I postulate that since it's only quanta which describes the universe we
experience as conscious observers in it, it expands into nothing. It also
occupies no space. It can be as huge as described or as small.

Автор Jay P ( назад)
The universe isn't expanding into anything. The question exists, because
it's an unfortunate misconception generated by the visual representations
of the big bang that people see on documentaries. The universe didn't begin
to expand at a specific point and explode into darkness; it happened
everywhere, simultaneously. We didn't begin as a point of light in the
middle of a surrounding darkness-- that's a misleading conceptual
framework. To put it bluntly but ineloquently, space is something that
happened, and continues to happen in greater quantities, and we don't know
why. To say that it is being created implies a creator, and that's also
misleading. Science doesn't speak about a creator; it speaks about
observations. I wish there were a clearer way to talk about this with
people who don't take the time to learn the science on which it's based. Of
COURSE we can't see a boundary-- there isn't an edge to find! Long ago,
roughly 13 billion of our 'years', there was a cataclysmic event, perhaps
some sort of collision, and there was a fundamental state change. Ever
since then, there has been space and time. And it's growing, and we don't
know why. That's the story. It resulted in life and consciousness, so it
can't be all bad. Someday, perhaps it will make sense, but for now it's the
most profound mystery. It's extraordinary. It's beautiful. It's terrifying.

Автор alexander orona ( назад)
So, I guess there is no spoon. lol I mean, that is about as informative as
this actually can get. We cant know cause we are constrained by the laws pf
physics. ( speed of light and ultimate detection ability ) at least that's
what I got from this.

Автор scrapy3211 ( назад)
Let it be clear that the video does admit to the possibility that the
universe is expanding into something else and is not simply expanding
within itself(which is a completely stupid idea). Thus if the universe is
expanding into something else, the question naturally arises: what is this
something else? I believe it to be a parallel dimension to us, a world that
some would call: heaven and hell. Think of our universe as a black dot on a
white page. Now imagine that black dot expanding and growing bigger and
bigger and taking over the white page. The white page is still there, it is
woven closely together with the black dot which has now expanded to cover
the whole page. Both the black and the white are parallel to each other.

Автор ilovemypiano ( назад)
Video starts at 0:45

Автор The Legend ( назад)
Yes this is very good question to ask and we should also ask where did that
Big Bang particle of infinite density existed. I mean what was surrounding
that infinite density particle before the explosion of the Big Bang?

Автор pineapplepenumbra ( назад)
The Universe has a membrane at the edge and on the membrane, written
repeatedly in a plethora of languages is the legend, "Slow, Spaced Out
Hippies Ahead!"

Автор Jashodanandan Pramanik ( назад)
The universe is unlimited, thus no question of front side and back side,the
above stated pictures do no establish the universe is expanding.

Автор stuart monteiro ( назад)
how do they know that the universe is expanding , if we cant see aways from

Автор Lokthar ( назад)
Let's say there is a Planet that is some lightyears away from us,
yet we see that Planet on the Sky. Now on that Planet there is another
Person who see's us(earth) on his sky.
If there was a telescope that would let us look deep enough to observe that
person on the planet we would see him live and die very fast (right?). What
if that person on the other Planet also has that telescope and observes us
while we observe him.. Whose time would go faster?

Автор Don Juan72 ( назад)
infinite cycles of big bangs, perhaps ?

Автор Javier Romero Villalobos ( назад)
Do I notice Kerbal Space Program arround?

Автор Ronald Johnson ( назад)
what if we are expanding or moving towards the edge

Автор CornerrecordZ ( назад)
Teacher! Teacher!
Could we live in a simulation?

Автор John Giannone ( назад)
So . . . if the universe is expanding . . . how is it the physics says
Andromeda and the Milky Way will merge? Please no ad hoc explanations like:
"local variations"!

Автор Haryana Corruption STOP ( назад)
did universe created us ,to look at itself ?

Автор martin thompson ( назад)
Black Matter is filling the universe and causing the expansion not space
We know that now!

Автор Arnaldonintendo ( назад)
I know what the universe is expanding into....... a dong...... thus the
birth of the meme..... expand dong.

Автор sandeep bharti ( назад)
perhaps there's an illusion in the universe cuz whatever we're seeing that
is not real, perhaps may be real

Автор GLICKTON ( назад)
Might not work like that, could think of it like a gas compressing and
decompressing inside a tank lol

Автор cb7pwn ( назад)
glad im not the only one who wonders about this stuff.... seems all the
people i run into only care about partying and work and money and shit... i
wish more people cared about the important things in life... like why the
hell do we exist

Автор Mister Mac ( назад)
What are the names of the songs used in this video? Thanks.

Автор En Route ( назад)
I believe there is a boundary to this physical space-time. because at some
instance, it was all compact.

Автор Vikare TheLazyOne ( назад)
I have an ant brain. In some sense, could the universe be explained as a
giant blob expanding through something inexistential?Like, the universe is
everything, so there's nothing outside it, so, this "nothing" could be
called "void"? Is nothingness a thing itself? The universe would be
expanding into a neverending nothingnes, like a growing lightsource in a
empty dark room... In this small mind of mine I tend to think the empty,
black space betwin the astronomical bodies is just a part of this "void"
that has been assimilated by the universe, or it's just this dark energy or
matter thingy. I mean, there's no edge, if you go far away you would go
back where you started, I get it. This void couldn't be even called empty
space, because universe is space and time. Outside the universe there's no
"space". Or... Maybe there are other big bangs and universes expanding in
this same void, maybe coliding with our own. Or, the universe could be made
of several big bangs spread apart in the void, a "megauniverse". Sorry if I
sound too dumb. I'm at least trying...

Автор jorge pearl ( назад)
before Einstein, there were people like Gauss and Riemann, who thought the
universe was only locally Euclidian, and created a differential geometry
(that Einstein used), and lets understand this kind of things

Автор Jeff Israel ( назад)
When I was a kid I had my own "hypothesis" that if things could be
infinitely large they could also be infinitely small. Now string theory is
kind of suggesting that--at least that's my lay mans take (could be totally
wrong). We see the possibility of new dimensions and so forth. Can anybody
here explain that to a physics dummy like me? Am I right that things could
be infinitely small? Ahem, no body jokes allowed please.🤔

Автор Diwas Pandey ( назад)
Hey Guys. Check this out. A new hypothesis on expansion of universe.

Автор Zammle Man ( назад)
I've watched so many universe type videos I've seen that blue square grid
zooming in animation so many times. :D

Автор Ron “Bruce lee” V ( назад)
The word infinity is only used when undetected

Автор Roman Eschaton ( назад)
Being that the Universe is expending one way or another, that being said
where is the energy for expansion coming from? Please explain. Thank you in

Автор mikelive asdf ( назад)
The answer to the question begins at 3:32

Автор FคƬคL k ( назад)
Not bad :)

Автор sharada powar ( назад)
If space is infinite, then why it has to expand??

Автор neon genesis ( назад)
Is it possible to feel claustrophobia in an infinite universe.

Автор Isaiah Nelson ( назад)
The music so fricken great in these videos. Reminds me of something you
would here in Metroid.

Автор Kyle D ( назад)
I just like listening to this guy.

Автор cmdgn ( назад)
And it is We Who have constructed the heaven with might, and verily, it is
We Who are steadily expanding it. Quran verse ...( the expansion of the
Universe has been mentioned 1400 years ago )

Автор STHFGDBY ( назад)
How are the Galaxies expanding while some Galaxies are destined to collide
or merge.

Автор Brian Patterson ( назад)
ok so what is it expanding into....
if it is expanding is it open as a sheet or closed as a sphere...
.how do atoms act under extreme low pressure..do they expand in volume...
so many questions so little time.
cause and effect...
its all about pressure....

Автор Salman Fox ( назад)
there are 7 skies

Автор oscar3eyes ( назад)
It is possible that the expansion of the Universe is not matter expanding
into infinite Space, but includes the expansion of Space itself. That
Creation includes the creation of Space. That the vacuum of Space is not
"nothing". Considering Space itself as a thing created, many other
things become readily apparent.

Автор Chaos Æthernal ( назад)
dissipation back to the Static Void

Автор Kinetic PowerCat ( назад)
this is a 6 year old video! wow

Автор Cathy B ( назад)
Did our universe expand from a point?

Автор Du Fon Cheng ( назад)
We worry about edge of infinite but time on EARTH limited we need worry
about how to get to next habitable planet for all species of EARTH .. Earth
lose 90,000 tons of gases to space every year

Автор james lynch ( назад)
Our universe will expand into another universe that is also expanding.

Автор lolliz100 ( назад)
Space-time expands faster than light travels through it...therefore we will
never be able to see an end or know if there is an end since there will
always be further distance of something that we see as light is slower than
the expansion.

Автор tubenachos ( назад)
Dark matter, you scary.

Автор Curtis Pavlovec Jr. ( назад)
wow I'm lost in awesomeness

Автор Shaz Asif ( назад)
religion is much forward than today's modern science

Автор David Mayhew ( назад)
is this pecos hank?

Автор Linoleum ( назад)
5:03 focus in the middle of the video. that face scared me LOL

Автор Barsabus ( назад)
Mortal Kombat!

Автор Captain Kirk WarThunder ( назад)
Probably magnets.

Автор HARSHA ( назад)
maybe universe is an exploded black hole...

Автор TheAlecnemcova ( назад)
Our universe is expanding into a mega universe. There are more universes
inside this mega universe than there are grains of sand on all the planets
in all of the universes.

Автор Bahrudin ahmadi ( назад)
I wanted know everything but till that time I maybe dead 😰😓😭

Автор thekaboominator1 ( назад)
I find it interesting, and indicative of the problems inherent in human
understanding, that the two possibilities we can come up with for the
Universe (all that is, not the universe which is all that we can see) are
also unfathomable to us. We either live in an infinite universe or a finite
one. If it's infinite, we can't imagine that, period. If it's finite, it
either exists on its own in nothing - which is also unfathomable, we can't
really imagine nothing, only lack of light and energy - or within something
else, which then again falls to the same paradox.

Автор PB J ( назад)
I thought that because at the time of the big bang the universe expanded
faster than the speed of light we can't actually see the whole universe and
therefore don't know how expansive it actually is. As far as I know they
haven't located the point of singularity. Is this true?

Автор Banana ( назад)
your mom

Автор William Stover ( назад)
Hard to imagine this empty endless void of blank space that existed perhaps
billions of years before any matter entered the picture.

Автор onenotused ( назад)
thanks for this simple yet interesting video about a concept that makes us
all wonder about our reality and existence! I just subbed your channel in
hopes of more like this :)

Автор Fuzzy Bear ( назад)
If the Universe were to be infinite, it wouldn't have had a beginning.
Indeed, worth adding, if the Universe were infinite even for aspect of its
being, then it would need to be in all other aspects...

Автор EDUARDO12348 ( назад)
at 3:10 the background song is from http://scaleofuniverse.com/
its a cool interactive website where you can compare the size of atoms and
galaxies and much more.

Автор Ton Smit ( назад)
How can you tell the difference between galaxies moving away by moving
themselves in space and galaxies moving away because space-time is
expanding? Does it follow from measurements of from theory?

Автор DavidDude ''-_-'' ( назад)
pokemon in a nutshell

Автор Valery Lavrov ( назад)
No true we may see beyond in the future - expending faster then light means
that light emitted at some point outside of visible universe may become
visible. Simple time machine. Future travel is simple. This is past.
(faster then speed of light)

Автор vaLy H. ( назад)
The Universe is running away from chuck norris

isnt it obvious

Автор Jack Lodge ( назад)
what is the music at 3:22 ?

Автор Zoli Ahroni ( назад)
No Drama-Naturama

Автор Brett Rauscher ( назад)
There is no reason for the universe to ever continue so is should by you
you said. You have showed its total annihilation from the Earth we live.
You claim that the universe should end because of your ignorance. Not only
end but this is the end and you sleep every night claiming that you every
night is the end. We see something great being born in its place. Born
because of this sick end of us all. A sick that will not be and always was.
Do you claim that your sickness is and always was? You herd what is and
always was and there is better to still to be written as to whats come of
it. What is and always was is what is still to come. Come because there is
something there to see it as what it has to come.

Автор Brett Rauscher ( назад)
No, what is always was. This wont be freak. So,.. there you go.

Автор Diego Chavez ( назад)
would galaxies break if space-time in between planets, stars, and other
objects stretched? I know that gravity is a very weak force in the
universe, and in the scale of the atom, would this stretch have anything to
do with the nuclear strong force or weak force?

Автор Mattan ( назад)
An object moving trought a lower dimension might look like it increases and
decreases in size, like a sphere moving trough a 2 dimensional membrane
would. I believe the reason the universe is expanding might be because the
universe is actually a 4d object moving trough a 3d "membrane" that we

Автор greymobvmp ( назад)
That was pretty good, yous guys should re-do this one and make it a 51
minute feature.

Автор Sherie Oh ( назад)
Love this Tony!

Автор Kael7777 ( назад)
Scientist talk about a multiverse. So can the universe be broken down to
more than 3 space and time? Can the fundamental entity of the universe be
based on harmonic strings?

Автор patricio torre ( назад)
good video, but your intro is too long,I think you should make it shorter
in the future.

Автор Spongebob Squarepants ( назад)
I'm thinking the other way around, what if the universe is not expanding,
what if all the object in the universe is contracting giving the illusion
of expanding space.

Автор Tyrone Obama ( назад)
Ya'll heard him light that joint?

Автор David Evans ( назад)

Автор Iwasntgivenaname ( назад)
Question: I've heard some say "new" space time is being created, and that
causes the expansion. But ive also heard it said that time-space is simply
being stretched....which one is it?

Автор Sy Jaffar ( назад)
Our universe (mostly space) is an atom (mostly space) in a grain of sand on
a beach of another universe.

Автор okrajoe ( назад)
Fascinating question.

Автор Ubair Shafaat ( назад)
"And it is We who have constructed the heaven with might, and verily, it is
We who are steadily expanding it."
Quran 51:47
Now go be a good logical, rational, open-minded person that most of you may
say you are. Read the whole Quran. Make your own opinion and come to your
own conclusions. Who knows what you may find.

P.s: Whats the limit of humanity in terms of travelling in the known
universe? How far can we go?

Автор Ariel Applebaum ( назад)
i don't get something and i would like for an expert to answer it
how can we tell that the universe will keep expending? how can we predict
that this expansion will continue the way it is?
is it not possible that the universe is only expending now, like an
explosion? and when the force of the explosion will stop, that expansion
will stop with it?
thank you

Автор phiddlehead ( назад)
The massive center of a galaxy, perhaps a black hole, acts a 'cosmic
drain'; we are spiraling in towards the center of our galaxy. Gravity warps
space-time; the closer to the massive gravity at the center, the more
space-time contracts. Therefore, space-time compresses as you approach the
center. In other words, we are shrinking. There is no way we can tell the
difference between us shrinking and 'the Universe' expanding. "Honey! I
shrunk the Galaxy!"

Автор garcemac ( назад)
The "universe" is not expanding, Spacetime itself is expanding faster than
the speed of light. We will never find the edges of it. If the "universe"
started with the big bang and is expanding with spacetime, then it is,
indeed, finite - and it had borders. I truly believe that there are other
universes. Everything orbits something.

Автор mike murrey ( назад)
i'm thinking maybe our universe is the nucleus of one atom existing with in
the physical body of god and that's just one idea from my little tiny shit
for brain try to rap your head around how big gods universe really is you
can't no one can we will know when were dead ,,,maybe

Автор mark Young ( назад)
we could call it anything, but the reality is our universe is expanding. It
is expanding into the vast vacume of empty space. Our universe or more
accuratley our small bubble, is one of many and probably millions of
billions of other universes or bubbles.We as inhabitants of a small blue
orb in a small pinhead size of our own universe, can only begin to
contemplate the vast expance of the reality the vastness of the reality.
There are many universes each with billionsand trillions of galaxies.

Автор Caleb Fletcher ( назад)
'Adding more fabric to infinity doesn't make more infinity'

okay then please explain Alephs, cardinality, and the continuum hypothesis
using this logic.

Автор stacy4422 ( назад)
I'm sorry but its NOT expanding, the reason they think it is ? Well look at
it like this we are spinning and the galaxy is spinning and the universe is
spinning and the other universe's are spinning and when we look at it from
earth the spinning look like its Expanding! its that simple , if everything
was Expanding like they think then everything would be, our moon would get
farther and our sun would too!

Автор Hoodetteandmaskette Creepypasta ( назад)

Автор SoulMan1994 ( назад)

Автор Madolite ( назад)
I like to think that the universe is expanding into a parent universe that
it was created inside.

Автор Manuel V. ( назад)
the intro is long.

Автор Mike Collins ( назад)
Somehow, when I saw the question "What is the universe expanding into?", I
thought the video would attempt an answer - but it only asks the question.
What's the point? Is the question being asked in the hopes that somebody
else will answer it?

Before you can ask what the Universe is expanding into, you have to define
what the Universe is, and this video doesn't even do that. To suggest that
it expanding into something would be to suggest that it has a boundary - a
surface, but the video doesn't know - so how can it conjecture that there
is something outside of the Universe, into which it would then be

Автор Murali Krishna ( назад)
nice video...................

Автор Tower 99 ( назад)
ITs not expanding its infinite, imo.

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