- aerospace
- air lock
- alien
- alien
- astronaut
- blast-off
- booster
- burnout
- capsule
- command module
- control
- cosmonaut
- craft
- dock
- escape velocity
- extraterrestrial
- flight
- flying saucer
- launcher
- launch pad
- life support system
- lift-off
- lunar
- mission control
- module
- mother ship
- NASA
- nosecone
- outer space
- pod
- probe
- remote sensing
- rocket
- ship
- shuttle
- soft landing
- space
- space capsule
- spacecraft
- spaceman
- space probe
- spaceship
- space shuttle
- space station
- spacesuit
- spacewalk
- splashdown
- touchdown
- tracking station
- UFO
- unmanned
