英文關鍵字
america
american
ares
astronaut
blue
burn
cargo
carrier
clouds
cosmonaut
cosmos
definition
earth
engine
expedition
fire
heavy
high
international
launch
mars
missile
mission
off
orbit
orbital
orion
planet
progress
rocket
satellite
science
shuttle
sky
sls
soyuz
space
spacecraft
spaceman
spaceship
stage
star
station
system
take
technology
union
universe
vehicle