英文關鍵字
activity
adventure
alfitr
amateur
astrology
astronomer
astronomy
baby
binocular
blue
boy
calendar
crescent
dark
earth
earthshine
eid
fitr
gazing
light
lunar
man
month
moon
new
night
observe
outdoor
phase
ramadan
religion
science
scientific
scope
see
shine
sight
sighting
silhouette
sky
spotting
star
telescope
terschelling
visual
watcher
watching
waxing
young