英文關鍵字
aerial
astronaut
atlantis
challenger
clouds
columbia
cosmonaut
cosmos
discovery
earth
endeavor
exploration
explorer
exterior
flights
galaxy
lab
mission
module
nasa
ocean
off
orbit
orbiter
outer
real
rocket
satellite
science
shot
shuttle
sky
space
spacecraft
spaceman
spaceship
sputnik
star
station
sttation
system
taking
technology