Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > sci.physics.relativity > #461077
| Subject | Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? |
|---|---|
| Newsgroups | sci.physics.relativity |
| References | <B%TTC.402559$sc1.324555@fx09.am4> <86d8ec67-1634-446f-b63d-dc873060e795@googlegroups.com> |
| From | Keith Stein <keithstein111@gmail.com> |
| Message-ID | <sGVTC.313795$Vs7.126493@fx41.am4> (permalink) |
| Organization | virginmedia.com |
| Date | 2018-06-12 21:03 +0100 |
On 12/06/2018 20:20, dlzc wrote: > Dear Keith Stein: > > On Tuesday, June 12, 2018 at 11:09:39 AM UTC-7, Keith Stein wrote: >> I understand of course how it can be extrapolated >> from measurements in laboratories on Earth, but is >> it possible, even in theory, to MEASURE the speed >> at which light travels through intergalactic space ? > > Well, they do infer "instantaneous" expansion rates, using Einstein crosses, where the different images are different distances from the gravity center. So this "assumes" a constant speed of light over that entire path, regardless of duration. > > So if you had something in mind, there'd be the precise timing necessary to validate or invalidate "some value' for a speed of light. > > David A. Smith > Thanks for the response David. I rather think Einstein DEFINED the speed of light to be constant. One problem with that approach is that if the speed of light in intergalactic space is actually slowing down, then you are going to think the universe is expanding, when in fact it isn't. keith stein
Back to sci.physics.relativity | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll 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
csiph-web