英文關鍵字
animation
astronaut
battery
cosmonaut
cosmos
deploy
equipment
esa
exploration
explorer
flight
international
interplanetary
lab
mercury
messenger
mission
model
module
object
open
orbit
orbiter
orbiting
outer
panel
planet
robotic
satellite
science
shuttle
solar
space
spacecraft
spaceman
spaceship
sputnik
station
sun
system
technology
ufo
universe
venus