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Re: Is the universe curved or flat?

Cross-posted to 3 groups.

Followups directed to: sci.physics.relativity

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gilber34 wrote:

> On 12/11/2015 3:56 PM, The Starmaker wrote:
>> if you say both, i'll shoot myself!
> 
> it is flat,

Presumably, yes.  So far, measurements show that the observable universe is 
flat.  Unfortunately, we cannot look beyond that, so we have to defer to 
what geometry, relativity, and quantum mechanics have to say about the rest.

> until you get near the edge,

There is no edge; a flat universe is implicitly infinite in size.

> then it is curved, I think it curves up last time I looked.

Sorry to break this to you, but your padded cell is _not_ the universe.

F'up2 <news:sci.physics.relativity>


PointedEars
-- 
Q: What did the nuclear physicist post on the laboratory door
   when he went camping?  
A: 'Gone fission'.
(from: WolframAlpha)

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Thread

Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-11 13:56 -0800
  Re: Is the universe curved or flat? Double-A <double-a3@hush.com> - 2015-12-11 14:02 -0800
    Re: Is the universe curved or flat? Sam Wormley <swormley1@gmail.com> - 2015-12-11 22:39 -0600
      Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-11 21:38 -0800
        Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-13 12:59 -0800
          Re: Is the universe curved or flat? Sam Wormley <swormley1@gmail.com> - 2015-12-13 15:05 -0600
            Re: Is the universe curved or flat? Jason Wyome <jasonw@hotmail.org> - 2015-12-13 21:52 +0000
            Re: Is the universe curved or flat? Maciej Woźniak <mlwozniak@wp.pl> - 2015-12-13 22:54 +0100
            Re: Is the universe curved or flat? benj <none@gmail.com> - 2015-12-14 02:26 -0500
          Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-13 18:40 -0800
          Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-14 13:04 -0800
            Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-15 14:24 -0800
              Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-15 15:16 -0800
                Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-15 15:34 -0800
                Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-16 23:15 -0800
                Re: Is the universe curved or flat? Sam Wormley <swormley1@gmail.com> - 2015-12-15 18:59 -0600
                Re: Is the universe curved or flat? "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-12-16 16:20 -0800
                Re: Is the universe curved or flat? Sam Wormley <swormley1@gmail.com> - 2015-12-16 18:44 -0600
                Re: Is the universe curved or flat? "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-12-16 17:43 -0800
              Re: Is the universe curved or flat? Sam Wormley <swormley1@gmail.com> - 2015-12-15 18:46 -0600
  Re: Is the universe curved or flat? David Staup <dstaup@charter.net> - 2015-12-11 16:34 -0600
  Re: Is the universe curved or flat? The Starmaker <starmaker@ix.netcom.com> - 2015-12-11 15:16 -0800
  Re: Is the universe curved or flat? Mahipal <mahipal7638@gmail.com> - 2015-12-11 15:58 -0800
  Re: Is the universe curved or flat? gilber34 <fafa@invalid.com> - 2015-12-11 18:40 -0600
    Re: Is the universe curved or flat? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-12 17:37 +0100
  Re: Is the universe curved or flat? "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-12-12 16:40 -0800
    Re: Is the universe curved or flat? Sam Wormley <swormley1@gmail.com> - 2015-12-12 19:06 -0600
      Re: Is the universe curved or flat? benj <none@gmail.com> - 2015-12-12 20:49 -0500
        Re: Is the universe curved or flat? gilber34 <fafa@invalid.com> - 2015-12-13 20:41 -0600
          Re: Is the universe curved or flat? noTthaTguY <abu.kuanysh05@gmail.com> - 2015-12-13 19:06 -0800
    Re: Is the universe curved or flat? "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-12-14 17:43 -0800
      Re: Is the universe curved or flat? Sam Wormley <swormley1@gmail.com> - 2015-12-14 20:26 -0600
      Re: Is the universe curved or flat? Double-A <double-a3@hush.com> - 2015-12-15 14:20 -0800
        Re: Is the universe curved or flat? "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-12-15 14:34 -0800
  Re: Is the universe curved or flat? "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-12-17 13:17 -0800
    Re: Is the universe curved or flat? dobri karagorgov <dobrikarate.gov@gmail.com> - 2015-12-17 13:28 -0800

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