英文關鍵字
180
appears
astronomy
atmosphere
black
bright
circle
circular
completely
crater
craters
dark
differ
disk
earth
earths
ecliptic
exactly
facing
far
full
fully
hemisphere
illuminated
light
located
longitudes
luna
lunar
map
means
moon
moonlight
more
mystery
nature
night
occurs
perspective
phase
phisic
planet
round
satellite
science
side
sky
space
sphere
sun
sunlit
surface
technology
that
this
universe
when
while
white