For Your Astronomers: Mysteries of the Sun [NASA Video Series And PDF]
Link 1: Mysteries of the Sun - Mission:Science
Welcome to the Mysteries of the Sun. This unique NASA resource on the web, in print, and with companion videos introduces Heliophysics: the study of the Sun's influence throughout the solar system and, in particular, its connection to the Earth and the Earth’s extended space environment. Learn about topics such as Space Weather, Solar Variability, the Heliosphere, Earth’s Magnetosphere, and the Earth’s Upper Atmosphere. Come and explore our Sun!
Link 2: Mysteries of The Sun: Presented by NASA's Heliophysics Division ot The Science Mission Directorate [20 page PDF]