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Groups > sci.physics.relativity > #461342
| From | Odd Bodkin <bodkinodd@gmail.com> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Is it possible to MEASURE the speed of light,iN INTERGALACTIC SPACE ? |
| Date | 2018-06-15 14:35 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <pg0iqs$b0g$1@gioia.aioe.org> (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> |
Keith Stein <keithstein111@gmail.com> wrote: > On 14/06/2018 17:26, Odd Bodkin wrote: >> Edward Prochak <edprochak@gmail.com> wrote: >>> On Tuesday, June 12, 2018 at 3:38:02 PM UTC-4, Keith Stein wrote: >>>> On 12/06/2018 19:41, Odd Bodkin wrote: >>>>> Keith Stein <keithstein111@gmail.com> 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 ? >>>>>> >>>>>> keith stein >>>>>> >>>>> >>>>> Yes. See Roemer. >>>> >>>> That's fine for interplanetary space, but that's >>>> a long way short of the intergalactic space i was >>>> asking about, Old Bodkin, but thanks response. >>>> >>>> keith stein >>>> >>>>> >>> >>> I wonder, has Roemer's method been used with exoplanets? >>> >>> >> >> I would think this method would apply to any predictable orbit outside the >> solar system. Roemer’s method was to simply look for the variation in the >> time that a highly regular event based on how far the earth is from that >> event. In Roemer’s case the regular event is the eclipsing of Io, and the >> variation of distance is caused by Earth being close to, or far away from, >> Jupiter. >> >> 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. 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. > > keith stein >> > > I’m curious why you think the space between galaxies is fundamentally different than the space between stars in our galaxy, and different than the space between planets in the vicinity of our one star. -- Odd Bodkin — Maker of fine toys, tools, tables
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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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