Groups > sci.physics.relativity > #461306

Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ?

From	Volney <volney@volney.invalid>
Newsgroups	sci.physics.relativity
Subject	Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ?
Date	2018-06-14 23:27 -0400
Organization	A noiseless patient Spider
Message-ID	<pfvblj$2hh$1@dont-email.me> (permalink)
References	(1 earlier) <pfp44r$1o7q$2@gioia.aioe.org> <siVTC.265510$Hc3.220598@fx30.am4> <68008c06-7c98-48a2-9b98-aaeb9ec57de6@googlegroups.com> <pfu4v1$chn$1@gioia.aioe.org> <WNDUC.319213$r6.278204@fx10.am4>

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On 6/14/2018 8:31 PM, Keith Stein wrote:
> On 14/06/2018 17:26, Odd Bodkin wrote:
>> But simply swap eclipsing of Io for pulsar beats or the luminosity of
>> eclipsing binaries in the galaxies, and still use the semi-annual 
>> orbit of
>> the earth, which has a throw of 16.6 light minutes, to do a comparable
>> measurement within the galaxy.
> 
> The distance the light travels through INTERGALACTIC SPACE is clearly in
> no way effected by where the Earth is in its orbit around the sun.

It most certainly is, for a source near the ecliptic. If the earth is in 
between the source and the sun the distance is shorter than when the 
earth is on the far side of the sun.

> So Roemer's method has no chance of measuring the speed of light in inter-
> galactic space, even if the source is on another galaxy, i think.

Nope.

Thread

Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Keith Stein <keithstein111@gmail.com> - 2018-06-12 19:09 +0100
  Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Odd Bodkin <bodkinodd@gmail.com> - 2018-06-12 18:41 +0000
    Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Keith Stein <keithstein111@gmail.com> - 2018-06-12 20:38 +0100
      Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Edward Prochak <edprochak@gmail.com> - 2018-06-14 07:28 -0700
        Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Odd Bodkin <bodkinodd@gmail.com> - 2018-06-14 16:26 +0000
          Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Keith Stein <keithstein111@gmail.com> - 2018-06-15 01:31 +0100
            Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-14 23:27 -0400
            Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Odd Bodkin <bodkinodd@gmail.com> - 2018-06-15 14:35 +0000
            Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Edward Prochak <edprochak@gmail.com> - 2018-06-15 09:17 -0700
        Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-15 06:40 +0200
          Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Edward Prochak <edprochak@gmail.com> - 2018-06-15 09:28 -0700
            Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? dlzc <dlzc1@cox.net> - 2018-06-15 10:22 -0700
            Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-16 12:14 +0200
              Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Edward Prochak <edprochak@gmail.com> - 2018-06-17 17:32 -0700
  Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? dlzc <dlzc1@cox.net> - 2018-06-12 12:20 -0700
    Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Keith Stein <keithstein111@gmail.com> - 2018-06-12 21:03 +0100
      Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? dlzc <dlzc1@cox.net> - 2018-06-12 13:37 -0700
      Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Sylvia Else <sylvia@not.at.this.address> - 2018-06-13 11:34 +1000
        Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Keith Stein <keithstein111@gmail.com> - 2018-06-15 01:59 +0100
          Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Sylvia Else <sylvia@not.at.this.address> - 2018-06-15 11:17 +1000
            Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-14 23:40 -0400
          Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-14 23:33 -0400
      Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Sylvia Else <sylvia@not.at.this.address> - 2018-06-13 11:40 +1000
        Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2018-06-15 16:17 -0700
          Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Sylvia Else <sylvia@not.at.this.address> - 2018-06-16 20:27 +1000
            Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2018-06-16 05:40 -0700
      Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? "Dono," <sa_ge@comcast.net> - 2018-06-12 19:43 -0700
      Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? mitchrae3323@gmail.com - 2018-06-13 12:06 -0700
        Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Keith Stein <keithstein111@gmail.com> - 2018-06-13 21:47 +0100
          Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-13 21:55 -0700
            Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? dlzc <dlzc1@cox.net> - 2018-06-14 07:10 -0700
              Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? Werner Ballard <db@ocowak.br> - 2018-06-14 15:54 +0000
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? dlzc <dlzc1@cox.net> - 2018-06-14 09:25 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Keith Stein <keithstein111@gmail.com> - 2018-06-15 02:25 +0100
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Werner Ballard <db@ocoak.bn> - 2018-06-16 14:02 +0000
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-15 00:17 +0200
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? dlzc <dlzc1@cox.net> - 2018-06-14 15:34 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-15 01:13 +0200
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? dlzc <dlzc1@cox.net> - 2018-06-14 17:53 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-15 06:22 +0200
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? dlzc <dlzc1@cox.net> - 2018-06-15 06:44 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Werner Ballard <db@ocoak.bn> - 2018-06-15 14:32 +0000
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-16 10:00 +0200
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? dlzc <dlzc1@cox.net> - 2018-06-16 08:13 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Werner Ballard <db@ocoak.bn> - 2018-06-16 15:24 +0000
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-18 14:06 +0200
              Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC   SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-14 10:30 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC   SPACE ? dlzc <dlzc1@cox.net> - 2018-06-14 11:52 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-14 15:08 -0400
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-14 13:00 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-14 16:13 -0400
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-14 13:55 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-14 17:22 -0400
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-14 15:25 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-14 23:21 -0400
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-15 12:25 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-15 18:06 -0400
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC  SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-15 15:22 -0700
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Volney <volney@volney.invalid> - 2018-06-15 18:44 -0400
                Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC   SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-15 15:54 -0700
  Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? The Starmaker <starmaker@ix.netcom.com> - 2018-06-12 16:26 -0700
  Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? "Dono," <sa_ge@comcast.net> - 2018-06-12 18:07 -0700
    Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Zandra Sobczak <acako@raswa.bo> - 2018-06-13 12:24 +0000
      Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Paparios <mrios@ing.puc.cl> - 2018-06-13 05:59 -0700
        Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Zandra Sobczak <acako@raswa.bo> - 2018-06-13 13:37 +0000
  Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? SolomonW <SolomonW@citi.com> - 2018-06-14 01:37 +1000
    Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? Keith Stein <keithstein111@gmail.com> - 2018-06-13 21:31 +0100
  Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2018-06-13 16:13 -0700
    Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2018-06-13 16:20 -0700
      Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2018-06-13 16:22 -0700

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