英文關鍵字
astronomy
atmosphere
backdrop
background
bright
burn
burning
combustion
corona
cosmos
danger
disk
effect
electromagnetic
energy
exploration
explosion
fire
fireball
flame
flaming
flare
frame
galaxy
glow
glowing
heliosphere
hell
hot
hydrogen
lava
light
material
outbreak
photons
plasma
prominence
protuberance
radiation
science
solar
space
star
sun
sunbeams
sunlight
sunspots
surface
warm