© 2014 UCAR
> Interactive: Compare Multispectral Sun Images Side-by-side
> Sun Memory Game
> Regions and Features of the Sun
> The Photosphere - the "Surface" of the Sun
> The Sun's Chromosphere (Lower Atmosphere)
> The Sun's Corona (Upper Atmosphere)
> Sunspots
> The Sunspot Cycle
> Solar Flares
> Coronal Mass Ejections (CME)
> Prominences
> Filaments
> Coronal Loops