4 links
APOD: September 16, 1996 - The Sun Erupts
antwrp.gsfc.nasa.gov
Offers a brief explanation about the sun, a ball of extremely hot gas. Answers common questions about the sun's corona and its magnetic field.
NASA/Marshall Solar Physics
science.msfc.nasa.gov
Information on various solar topics, from the sun's corona to sunspot cycle predictions.
Project Sundial
colorsofindia.com
A collaborative Internet project on designing sundials by school children from the United Kingson and India. Includes concepts of sundial, images of sun, and poetry on sun.
Stanford Solar Center
solar-center.stanford.edu
Activities, solar weather, art, folklore, webcasts, posters, news, and ask-a-solar-astronomer.