What is the Universe Expanding Into?

What is the Universe Expanding Into?

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Added on Friday 26 February 2010 02:53:32
by tdarnell
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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:
http://incompetech.com

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Comment(s)

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vengencefrom1979

@wHisperis001 take a look at my background and look for the red shift. nuff said.
Thursday 09 February 2012 16:26:02
777aleksa

i think answer to this question was not given, or i didnt understand the question
Thursday 09 February 2012 13:30:03
wHisperis001

@vengencefrom1979 The theory is pretty solid and quite simple to understand. What makes you say it is farce? Who come up with it doesn't have any bearing on the validity of the explanation. So go ahead genius, explain why it's farce.
Thursday 09 February 2012 12:24:36
khanTatifur

first of all if the universe started as a single point during the big bang then there has to be a boundary. secondly there can be bigger infinities if you look at Cantor's. e^x as x->infinity is always bigger than log (x).
Thursday 09 February 2012 04:53:41
inevaeportfolio

What is the song called in this video?
Wednesday 08 February 2012 23:58:52
markeybizz

@vengencefrom1979 your an idiot, science has a virtue of being testifiable and corrcected, pysicists and cosmologists seem to be preety content with this theory so saying its a farce is ridiculous, although we would all love to hear your noble prize winning theory
Wednesday 08 February 2012 19:59:32
vengencefrom1979

the big bang is a big farce, invented by Georges Lemaître, a catholic priest. mesmerizing the youth with such nonsense is sealing their fate and herding them straight towards the stoneage.
Wednesday 08 February 2012 16:42:17
Ochiruhaneul

We are just merely another part of the Universe and are called "organisms" formed "accidentally" by the the forces and contents of the universe who have developed consciousness of our space and time and how things work in our Physical Universe and so far our knowledge about our creator, " The Universe and its forces" is very limited. Imagine an atom on a desert trying to discover it's origin and boundaries all its life not knowing that beyond these miles of sand lies oceans.
Wednesday 08 February 2012 01:06:38
NotUhsaad

@bradkey98765 Ohh. I think that makes sense. I swear, this is the most complicated, interesting thing in the world..
Wednesday 08 February 2012 00:09:38
Marzano15

@elbowfellow I'm not sure which comment you're referring to, but thank you.
Tuesday 07 February 2012 23:35:12
Typho0n86

@bradkey98765 Yes but that 2D paper is in a 3D universe, so there must be something outside for it to exist. We have measured the curvature of space with lasers in space with a large triangle and so far the universe appears to be flat. I dont see why its so hard for the universe to be inifinite makes heaps more sense than a point that expolded into its self
Tuesday 07 February 2012 23:33:01
bradkey98765

@Typho0n86 For the same reason it said at 2:29, "In Einstein universe things can be curved, and if they can be curved they can be curved in on themselves" Try to imagine a 2D universe with no edges, you should find a solution. If you then start doing some physics you will also find solutions to a 3D universe with no edges.
Tuesday 07 February 2012 14:52:14
bradkey98765

@NotUhsaad Ok, at 2:30 it says "If things can be curved they can be curved in on themselves" -- the image shows the three possible universes, a flat universe, a hyperbolic universe (The saddle shaped one) and a spherical universe. If you could travel faster than the expantion rate and were to go in a straight line in any direction, you would never find an "edge" you would simply arrive back where you came from.
Tuesday 07 February 2012 14:39:45
R3Cat

@Typho0n86 @tonyblackops Oh my god shut up both of you
Tuesday 07 February 2012 14:15:27
Aleksei5055

I like the music in the beginning...
Tuesday 07 February 2012 12:51:00
Typho0n86

@tonyblackops by
Tuesday 07 February 2012 08:47:24
tonyblackops

@Typho0n86 or go play with dicks, whatever suits you, just keep yourself out of these science vids, some kids are just so impressionable.
Tuesday 07 February 2012 08:45:48
Typho0n86

@tonyblackops Got little time for dicks
Tuesday 07 February 2012 08:39:39
tonyblackops

@Typho0n86 If you are going to argue about scientific stuff then at least have some background information before you make a complete jackass of yourself, So go watch a cat vid or a cartoon, what do i care ? It's just a recommendation.
Tuesday 07 February 2012 08:38:25
Typho0n86

@tonyblackops Hrmmm questionin my age... What do you think the 86 means... lets be logical now. WTF do i care about fking cat vids for. I guess someone has a fetish ;)
Tuesday 07 February 2012 07:32:48
tonyblackops

@Typho0n86 what are , 9 years old ?. you shouldn't be here, go watch some cat videos, they are probably suitable for your age.
Tuesday 07 February 2012 06:36:47
Typho0n86

@tonyblackops Yeah dont go insulting ur population. Mr King idiot
Tuesday 07 February 2012 06:30:54
tonyblackops

@Typho0n86 I'd call you an idiot but that would be insulting idiots.
Tuesday 07 February 2012 06:24:12
elbowfellow

@Marzano15 Good way to put it.
Tuesday 07 February 2012 03:46:01
Typho0n86

@tonyblackops Infinity is not impossible, maybe in ur closed mind
Tuesday 07 February 2012 00:17:26