The time it takes for the sun to completely rotate depends where on the sun you are measuring.

Stars, like humans, are more volatile when they’re young. As Sunlike stars mature past their first billion years, they all tend to slow in their rotation, eventually converging to roughly the same ...

The sun : a slowly rotating star / J.-P. Zahn -- What is coming : issues raised from observation of the shape of the sun / J.-P. Rozelot -- Effects of rotation on stellar p-mode frequencies / M. J.

Add Yahoo as a preferred source to see more of our stories on Google. In 1612, Galileo Galilei looked at the sun through a telescope, drew what he saw, and observed that sunspots — dark areas near the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The sun's rotation rate ...