Re: Calculating G

From	Sylvia Else <sylvia@not.at.this.address>
Newsgroups	sci.physics
Subject	Re: Calculating G
Date	2017-01-01 11:49 +1100
Message-ID	<ecr1vtFg7paU3@mid.individual.net> (permalink)
References	(7 earlier) <ecocrfFr9vrU1@mid.individual.net> <6f1a1c49-6718-4aed-874f-f3dafd4a4d7a@googlegroups.com> <ecogkgFs36sU1@mid.individual.net> <ecpc1gF3d5gU1@mid.individual.net> <6d3dcaa2-82f2-48cf-bffd-e7f126de26cf@googlegroups.com>

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On 1/01/2017 8:22 AM, reber g=emc^2 wrote:
> On Saturday, December 31, 2016 at 1:28:21 AM UTC-8, Sylvia Else wrote:
>> On 31/12/2016 12:40 PM, Sylvia Else wrote:
>>> It's value beyond that is
>>> constrained by the requirement that the orbital periods of binary stars
>>> be consistent with their separation and their masses, as estimated using
>>> the brightness (or period, in the case of some variable stars) using
>>> stellar physics.
>>
>> I may be guilty of some circularity of my own here, since the brightness
>> of a star of given mass depends on the local value of G. For higher G,
>> the star will be brighter (and shorter lived) for a given mass. However,
>> I'd be surprised if the relationship were linear, so inconsistencies
>> would still show (unless I'm wrong about the relationship).
>>
>> It should also be noted that stars get brighter as they age, even
>> thought their mass is reducing.
>>
>> Sylvia.
>
> I see the other way.Reason stars that use up their fuel faster are brighter.Think density.Trebert
>

The reason stars get brighter as they age is well understood.

Sylvia.

Thread

Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-28 06:13 -0800
  Re: Calculating G Poutnik <poutnik4nntp@gmail.com> - 2016-12-28 15:40 +0100
    Re: Calculating G Poutnik <poutnik4nntp@gmail.com> - 2016-12-28 15:41 +0100
    Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-28 22:10 -0800
      Re: Calculating G "hanson" <hanson@quick.net> - 2016-12-28 22:29 -0800
      Re: Calculating G Poutnik <poutnik4nntp@gmail.com> - 2016-12-29 08:07 +0100
        Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-29 16:53 -0800
  Re: Calculating G Alan Folmsbee <omnilobe@gmail.com> - 2016-12-28 09:27 -0800
  Re: Calculating G Sylvia Else <sylvia@not.at.this.address> - 2016-12-29 17:21 +1100
    Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-29 04:21 -0800
      Re: Calculating G Wally W. <ww84wa@aim.com> - 2016-12-29 09:11 -0500
        Re: Calculating G "hanson" <hanson@quick.net> - 2016-12-29 06:34 -0800
          Re: Calculating G noTthaTguY <abu.kuanysh05@gmail.com> - 2016-12-29 15:40 -0800
          Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-29 16:52 -0800
        Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-29 16:59 -0800
          Re: Calculating G Odd Bodkin <bodkinodd@gmail.com> - 2017-01-03 12:19 -0600
            Re: Calculating G noTthaTguY <abu.kuanysh05@gmail.com> - 2017-01-03 12:43 -0800
      Re: Calculating G Sylvia Else <sylvia@not.at.this.address> - 2016-12-30 13:22 +1100
        Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-30 01:11 -0800
          Re: Calculating G Sylvia Else <sylvia@not.at.this.address> - 2016-12-30 21:43 +1100
            Re: Calculating G "hanson" <hanson@quick.net> - 2016-12-30 06:48 -0800
            Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-30 14:43 -0800
              Re: Calculating G Sylvia Else <sylvia@not.at.this.address> - 2016-12-31 11:35 +1100
                Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-30 17:06 -0800
                Re: Calculating G Sylvia Else <sylvia@not.at.this.address> - 2016-12-31 12:40 +1100
                Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2016-12-30 23:22 -0800
                Re: Calculating G Sylvia Else <sylvia@not.at.this.address> - 2016-12-31 20:28 +1100
                Re: Calculating G "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-12-31 11:07 -0800
                Re: Calculating G "hanson" <hanson@quick.net> - 2016-12-31 11:16 -0800
                Re: Calculating G "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-12-31 13:22 -0800
                Re: Calculating G "hanson" <hanson@quick.net> - 2016-12-31 15:36 -0800
                Re: Calculating G Sylvia Else <sylvia@not.at.this.address> - 2017-01-01 11:49 +1100
              Re: Calculating G Odd Bodkin <bodkinodd@gmail.com> - 2017-01-03 15:09 -0600
                Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2017-01-03 16:22 -0800
                Re: Calculating G noTthaTguY <abu.kuanysh05@gmail.com> - 2017-01-03 16:57 -0800
                Re: Calculating G Odd Bodkin <bodkinodd@gmail.com> - 2017-01-04 10:22 -0600
                Re: Calculating G Peter Riedt <riedt1@yahoo.co.uk> - 2017-01-05 16:02 -0800
                Re: Calculating G Odd Bodkin <bodkinodd@gmail.com> - 2017-01-06 07:09 -0600

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