Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > sci.physics.relativity > #452680
| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Is the Sun losing mass? |
| Date | 2018-03-14 21:47 +0100 |
| Organization | PointedEars Software (PES) |
| Message-ID | <2923473.aeNJFYEL58@PointedEars.de> (permalink) |
| References | <20e47ac8-e431-4bd8-9bde-7823b450fde8@googlegroups.com> |
Simon Roberts wrote: > Is the Sun losing mass? Yes. > I'm not a physicist. Me neither. Just a student for now. > scenario (correct me if wrong) > > Fusion happens on the Sun. _In_ the Sun; to be precise, only in the *core* of the Sun. > Due to this we have a certain intensity (power) of light at some distance > from the Sun per unit area here on Earth. Correct. And perhaps more importantly, infrared radiation to allow for liquid water here, and UV radiation to allow for photosynthesis (if one follows the definition that “light” is only [human-]*visible* light). > Considering all this and the equation E = Mc^2 what is the rate of loss of > mass of the Sun? Not much. Google is your friend. [psf 6.1] BTW, unless one wants to emphasize a larger mass in relation to a smaller mass, one uses “m” as the symbol for mass in physics, not “M”. > I did a rough calculation near a year ago. > > I must have made a huge mistake in my calculation since I still see the > Sun. Yes. > It's mass hasn't diminished so that it does not exist. Correct. And that is not going to happen. The end of the Sun (as we know it) and of all the inner planets, including Earth, will come in a far more spectacular way in any case (in about 2 to 5 billion years, short scale). > My Dropbox link: > > https://www.dropbox.com/sh/iu33ve2mfli3b9p/AABXNfj1AxTp7FNJJYmJqRAWa?dl=0 And now I should click through all folders to find your *wrong* calculation? I really have better things to do. PointedEars -- Q: Why is electricity so dangerous? A: It doesn't conduct itself. (from: WolframAlpha)
Back to sci.physics.relativity | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Is the Sun losing mass? Simon Roberts <retenshun@gmail.com> - 2018-03-14 00:21 -0700
Re: Is the Sun losing mass? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-03-14 21:47 +0100
Re: Is the Sun losing mass? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-03-14 23:50 +0100
Re: Is the Sun losing mass? Simon Roberts <retenshun@gmail.com> - 2018-03-14 15:51 -0700
Re: Is the Sun losing mass? Simon Roberts <retenshun@gmail.com> - 2018-03-14 17:15 -0700
Re: Is the Sun losing mass? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-03-19 03:34 +0100
Re: Is the Sun losing mass? Volney <volney@volney.invalid> - 2018-03-19 00:04 -0400
csiph-web