butterfly diagram

chromosphere
chromospheric network
coelostat
corona
coronagraph
coronal condensation
coronal hole
coronal lines
coronal loop
coronal masss ejection
coronal rain
coronal streamer

Ellerman bomb
ephemeral region
Evershed effect

facula
fibril
filament
filigree
flash spectrum
flux tube
Franhofer line

granulation
granule

Hale's polarity law
heliocentric
heliocentric coordinates
heliograph
heliographic coordinates
heliopause
helioseismology
heliosphere
heliostat
helmet streamer

International Quiet Sun Years (IQSY)

limb darkening

magnetogram
Moreton wave
mottles

photosphere
plage
pore
prominence

solar burst
solar constant
solar cycle
solar eclipse
solar flare
solar longitude
solar nebula
solar parallax
solar sail
Solar System
solar telescope
solar time
solar wind
solar-electric propulsion
solstice
spicule
Spörer minimum
Spörer's law
Sun
Sun, life on
sundial
Sunlike stars
sunspot
supergranulation cell
surge

transition region