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Groups > sci.physics > #545803
| From | Poutnik <poutnik4nntp@gmail.com> |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: The mass of the sun II |
| Date | 2016-01-16 07:46 +0100 |
| Organization | Good company |
| Message-ID | <n7corj$3tn$1@dont-email.me> (permalink) |
| References | <ae43f3ef-0fe9-4e96-b77e-ffe1184ba3ab@googlegroups.com> |
Dne 16/01/2016 v 06:43 Peter Riedt napsal(a): > The mass of the sun II > > The standard method to calculate the mass of the sun is by the formula > M = 4(3.14159265359)^2*(149597870700)^3/((6.674E-11)(365*24*60*60)^2) with a result of 1.98846548016881E+30 using the standard value of AU of 149,597,870,700 m. 1/ Valid for the main ellipse half axis equal to AU 2/ 365 days is not Earth orbit period 3/ How can low accuracy of G provide result with accuracy of 15 digits ? 4/ IT is much better to use symbolic algebraic notations then inaccurate numbers. > > But in the course of a year AU changes from 147,100,176,000 m in January > to 152,103,775,000 m in July because the orbit of the earth is not circular. AU does not change. It is DEFINED as 149,597,870,700 m Therefor Earth Sun distance oscillates around 1 AU and the main ellipse half axis is greater than 1 AU. -- Poutnik ( the Czech word for a wanderer ) Knowledge makes great men humble, but small men arrogant.
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The mass of the sun II Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-15 21:43 -0800
Re: The mass of the sun II Poutnik <poutnik4nntp@gmail.com> - 2016-01-16 07:46 +0100
Re: The mass of the sun II Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-16 01:24 -0800
Re: The mass of the sun II R Kym Horsell <kym@kymhorsell.com> - 2016-01-16 09:10 +0000
Re: The mass of the sun II Sam Wormley <swormley1@gmail.com> - 2016-01-16 10:51 -0600
Re: The mass of the sun II Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-16 15:21 -0800
Re: The mass of the sun II Sam Wormley <swormley1@gmail.com> - 2016-01-16 18:13 -0600
Re: The mass of the sun II Sam Wormley <swormley1@gmail.com> - 2016-01-16 11:15 -0600
Re: The mass of the sun II Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-16 15:25 -0800
Re: The mass of the sun II Sam Wormley <swormley1@gmail.com> - 2016-01-16 18:16 -0600
Re: The mass of the sun II Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-17 00:24 -0800
Re: The mass of the sun II Sam Wormley <swormley1@gmail.com> - 2016-01-17 12:08 -0600
Re: The mass of the sun II Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-17 10:25 -0800
Re: The mass of the sun II Sam Wormley <swormley1@gmail.com> - 2016-01-17 12:36 -0600
Re: The mass of the sun II Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-17 10:51 -0800
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