Galileo was the first to discover how fast the Sun spins by studying the movement of sunspots. The Sun spins? You bet! Even more amazing, some parts of the Sun spin faster than others.
If you were to measure very carefully every day the position of sunspots at different latitudes, you would notice that the sunspots nearest the equator are moving the fastest.
Can you work out the rotation time of the Sun from these pictures?
![[Click here to go the the Sun|trek homepage]](http://www.suntrek.org/images/mainbar-logo.gif){kind=logo}
![[Sun|trek homepage]](http://www.suntrek.org/images/but-header-home-off.gif){kind=small}
![[Quick tour]](http://www.suntrek.org/images/but-header-quicktour-off.gif){kind=small}
![[Sun|trek adventures]](http://www.suntrek.org/images/but-header-adventures-off.gif){kind=small}
![[Solar guides]](http://www.suntrek.org/images/but-header-solarguides-off.gif){kind=small}
![[Factary]](http://www.suntrek.org/images/but-header-factary-off.gif){kind=small}
![[Gallery - Movies & still images]](http://www.suntrek.org/images/but-header-gallery-off.gif){kind=small}
![[School Projects]](http://www.suntrek.org/images/but-header-teachers-off.gif){kind=small}
![[Classroom Resources]](http://www.suntrek.org/images/but-header-students-off.gif){kind=small}
![[Hot News]](http://www.suntrek.org/images/but-header-solarfactfile-of.gif){kind=small}
![[Contact us]](http://www.suntrek.org/images/but-header-contact-off.gif){kind=small}
![[The Sun|trek Team]](http://www.suntrek.org/images/but-header-acknowledge-off.gif){kind=small}
![[Useful links & resources]](http://www.suntrek.org/images/but-header-links-off.gif){kind=small}
![[Movie file 1mb or less - Low quality]](../../images/movie-home_page.jpg)
