Re: Relativity question
- From: Martin Brown <|||newspam|||@nezumi.demon.co.uk>
- Date: Fri, 18 Nov 2005 17:59:39 +0000
oriel36 wrote:
To Martin
Here you go Martin,take a good look at the differential rotation bands which generate a deviation from a perfect sphere.
http://www.astronomynotes.com/starsun/sun-rotation.gif
You clearly do not have a clue. The sun rotates rather slowly and is a very close approximation to a perfect sphere in shape. But it does not rotate as a solid body (hardly surprising as it is a hot optically dense plasma).
Solar oblateness was measured accurately by SOHO as ~8ppm http://www.noao.edu/noao/noaonews/dec97/node2.html
By comparison Jupiter and Saturn which rotates much faster than the Earth are visibly oblate even to casual inspection.
Regards, Martin Brown .
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