Sun is the most perfect sphere ever observed in nature
guardian.co.uk
guardian.co.uk
http://www.sciencemag.org/content/early/2012/08/15/science.1...
leads to the full report in the journal Science for people who can get through the Science paywall, and other reporting on the research report from Science staff writers
http://news.sciencemag.org/sciencenow/2012/08/sun-slimmer-th...
and from other journalists
http://news.nationalgeographic.com/news/2012/08/120817-sun-s...
http://www.nature.com/news/sun-stays-nearly-spherical-even-w...
fills in some of the details.
Also, how is it that this was only measured just recently? Astronomers suspected it was wider at the equator, like Jupiter, but never bothered to check?
I stopped reading at this point.