The Sun is a very dynamic object. Variations in solar features occur on time-scales from milliseconds to millennia. The pages featured below illustrate some aspects of our ever-changing Sun. Some of these pages are kept up-to-date to show the recent behavior and current conditions on the Sun. Other pages demonstrate examples of characteristic behavior.
The Solar Rotation
The Sun's Magnetic Field over the Last 78 Rotations (6 Years)
Post-Flare Loops Observed in H-Alpha
Post-Flare Loops Observed by Doppler Imaging
Responsible Official: John M. Davis, davis@ssl.msfc.nasa.gov,
(205) 544-7600
Mail Code ES82, NASA/Marshall Space Flight Center, Huntsville, AL 35812
Last revised 1996 October 09 - D. H. Hathaway