Students investigate the cycles of solar activity. They plot the solar activity and use the graph to answer a number of questions and explain the relationship between the solar storms and sunspots and the impact on earth and space travel.

NOAA has produced a series of topic papers for use by teachers and students. This paper is on the increase of radio wave activity and the effects solar emissions have on it. PDF format.

Images and diagrams of the Sun, solar phenomena such as sunspots and flares, space weather, Earth's magnetosphere and upper atmosphere, the aurora, and more.

Solar flares are huge explosions on the Sun that emit lots of electromagnetic radiation.