Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > sci.physics.relativity > #399026

Re: This is your guru

From Steven Carlip <carlip@physics.ucdavis.edu>
Newsgroups sci.physics.relativity
Subject Re: This is your guru
Date 2016-11-20 09:37 -0800
Organization A noiseless patient Spider
Message-ID <o0smvm$vd$1@dont-email.me> (permalink)
References (5 earlier) <abebdf35-9585-42a5-aa23-dd1197eb885c@googlegroups.com> <3f5e9a90-ca70-4915-aa5f-38d8f3958e78@googlegroups.com> <o0k6qr$2a4$1@dont-email.me> <cZydnclGLJ3J6q3FnZ2dnUU7_83NnZ2d@giganews.com> <o0pv41$lj2$1@gioia.aioe.org>

Show all headers | View raw


On 11/19/16 8:37 AM, Norberto Haman wrote:
> Tom Roberts wrote:
>
>> In General Relativity, CHANGES in gravity due to the motion of a mass
>> are propagated with speed c at distances in the "far zone" (i.e.
>> distance >>
>
> There is nothing in GR specifying or demanding the above.

Of course there is.  For weak fields, Einstein already showed
that this was a consequence of the field equations in 1916.
The proof is simple enough -- you can find it in any GR textbook.
For strong fields, you have to be a little careful about how to
describe a change in gravity, but there's a nice general proof
by Low, Class. Quant. Grav. 16 (1999) 543-549, arXiv:gr-qc/9812067.

Steve Carlip

Back to sci.physics.relativity | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

This is your guru mlwozniak@wp.pl - 2016-11-16 00:09 -0800
  Re: This is your guru Melzzzzz <mel@zzzzz.com> - 2016-11-16 10:52 +0100
    Re: This is your guru mlwozniak@wp.pl - 2016-11-16 02:41 -0800
      Re: This is your guru Melzzzzz <mel@zzzzz.com> - 2016-11-16 11:43 +0100
        Re: This is your guru mlwozniak@wp.pl - 2016-11-16 03:49 -0800
          Re: This is your guru Melzzzzz <mel@zzzzz.com> - 2016-11-16 13:18 +0100
            Re: This is your guru mlwozniak@wp.pl - 2016-11-16 04:48 -0800
              Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 21:54 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:19 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 23:32 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:38 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 00:14 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-17 00:38 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 10:37 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-17 22:36 -0800
    Re: This is your guru Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-16 10:26 -0600
      Re: This is your guru Kieth Staudt <KiethS@StaudtInstitute.info> - 2016-11-16 18:12 +0000
      Re: This is your guru Melzzzzz <mel@zzzzz.com> - 2016-11-16 19:28 +0100
      Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 21:57 -0800
        Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:34 -0800
          Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 00:23 -0800
            Re: This is your guru mlwozniak@wp.pl - 2016-11-17 03:37 -0800
              Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 10:39 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-17 22:50 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 23:52 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-18 00:53 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-18 12:28 -0800
                Re: This is your guru Maciej Woźniak <mlwozniak@wp.pl> - 2016-11-19 10:07 +0100
                Re: This is your guru Marion Vanriper <Marion@Vanriper.info> - 2016-11-26 09:30 +0000
        Re: This is your guru Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-17 10:09 -0600
  Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 12:11 -0800
    Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:14 -0800
      Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 23:35 -0800
        Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:52 -0800
          Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 00:25 -0800
            Re: This is your guru paparios <paparios@gmail.com> - 2016-11-17 03:59 -0800
              Re: This is your guru "Dan S. MacAbre" <no@way.com> - 2016-11-17 12:12 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-18 05:07 +0100
                Re: This is your guru "Dan S. MacAbre" <no@way.com> - 2016-11-18 10:02 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-18 22:13 +0100
                Re: This is your guru "David (Time Lord) Fuller" <fuller.david@hotmail.com> - 2016-11-18 21:46 -0800
                Re: This is your guru "Paul B. Andersen" <relativity@paulba.no> - 2016-11-19 09:30 +0100
                Re: This is your guru Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-19 10:01 -0600
                Re: This is your guru "David (Time Lord) Fuller" <fuller.david@hotmail.com> - 2016-11-19 08:07 -0800
                Re: This is your guru Norberto Haman <norberman@norberman.info> - 2016-11-19 16:37 +0000
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-20 09:37 -0800
                Re: This is your guru Norberto Haman <norberman@norberman.info> - 2016-11-20 20:32 +0000
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-20 15:54 -0800
                Re: This is your guru Maryann Tonn <libradaz@libradazert.info> - 2016-11-21 15:00 +0000
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-21 19:16 -0800
                Re: This is your guru Maryann Tonn <libradaz@libradazert.info> - 2016-11-22 10:39 +0000
                Re: This is your guru paparios <paparios@gmail.com> - 2016-11-22 03:16 -0800
                Re: This is your guru Maryann Tonn <libradaz@libradazert.info> - 2016-11-22 11:24 +0000
                Re: This is your guru Ned Latham <nedlatham@woden.valhalla.oz> - 2016-11-22 12:13 +0000
                Re: This is your guru benj <benj@nobody.net> - 2016-11-22 17:37 -0500
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-22 22:57 -0800
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 13:37 +0000
                Re: This is your guru paparios <paparios@gmail.com> - 2016-11-23 06:04 -0800
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 14:27 +0000
                Re: This is your guru paparios <paparios@gmail.com> - 2016-11-23 06:44 -0800
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 14:56 +0000
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-23 10:46 -0800
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-23 23:21 +0100
                Re: This is your guru Bob Goodman <bobg@boobgodman.info> - 2016-11-23 22:58 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-25 20:00 +0100
                Re: This is your guru Bernardo Dearmond <bnard@dearmond.org> - 2016-11-25 21:46 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-25 22:56 +0100
                Re: This is your guru "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-23 20:13 -0800
                Re: This is your guru Odd Bodkin <bodkinodd@gmail.com> - 2016-11-23 09:24 -0600
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 15:33 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-23 23:23 +0100
                Re: This is your guru "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-23 20:15 -0800
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-25 20:05 +0100
                Re: This is your guru "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-25 14:57 -0800
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 18:28 +0000
                Re: This is your guru Poutnik <poutnik4nntp@gmail.com> - 2016-11-23 19:37 +0100
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 18:39 +0000
                Re: This is your guru "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-21 22:40 -0800
                Re: This is your guru Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-19 10:47 -0600
                Re: This is your guru Norberto Haman <norberman@norberman.info> - 2016-11-19 17:20 +0000
              Re: This is your guru mlwozniak@wp.pl - 2016-11-17 04:37 -0800

csiph-web