Phil Lardner <<email>> writes:

An astronomer's perspective on what thermals look like on the surface of the Sun. The movie clip (about 4Mb) was shot by the Swedish 1m Solar Telescope and shows an incredible level of detail and movement! You might want to bring your zinc cream if you fly here!!

http://stereo.gsfc.nasa.gov/img/spaceweather/movies/SST_spotclose.mov