Sun & Space Weather

Sun & Space Weather

The Sun on March 29, 2001 in visible and ultraviolet light
The Sun is is the closest star to Earth and is the center of our solar system. The Sun provides Earth with almost all of our planet's energy.
Regions of the Sun
Regions or "parts" of the Sun as well as features and phenomena that appear on the Sun or in its atmosphere.
Sun and Space Weather Image Gallery
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 Flare
Solar flares are huge explosions on the Sun that emit lots of electromagnetic radiation.
Coronal Mass Ejection (CME)
A Coronal Mass Ejection (CME) is a powerful, explosive "storm" from the Sun. CMEs hurl millions of tons of particle radiation outward into space.
Compare Multispectral Sun Images
Compare images of the Sun side-by-side with this interactive viewer. What features can you see in ultraviolet or infrared images?
Compare solar eclipse photos
Compare photos of different solar eclipses side-by-side.
Sun and Space Weather Memory Game
Test your memory while you learn about the Sun, space weather, and Earth's magnetosphere and upper atmosphere.
Global Electric Circuit movie

Our electric atmosphere has a lot more to it than lightning and thunderstorms. Learn about Earth's Global Electric Circuit and its connection to Space Weather.