| astronaut |
An astronaut is a person who flies in a spacecraft and works in space. |
| blastoff |
the launching of a spacecraft or missile. |
| capsule |
the area in a spacecraft that holds the crew and instruments. [1/2 definitions] |
| dock1 |
to link with another spacecraft while out in space. [1/5 definitions] |
| flying saucer |
a bright, flying object shaped like a disk that some people believe is a spacecraft from another world; UFO. |
| module |
a section of a spacecraft that is used to carry out a particular task. [1/2 definitions] |
| orbit |
the curved path in which a planet, satellite, or spacecraft moves in a circle around another body. [1/3 definitions] |
| reentry |
the return of a spacecraft or rocket into the earth's atmosphere. [1/2 definitions] |
| retrorocket |
a small rocket attached to a spacecraft and used to help the spacecraft slow down or change direction. Retrorockets fire in the direction opposite to the direction the main rocket is going in. |
| rocket1 |
a flying device, shaped like a tube, that is driven by hot gases released from engines in its rear. Rockets are used to launch fireworks, signals, weapons, and spacecraft. [1/3 definitions] |
| rocket ship |
A rocket ship is a spacecraft that is sent into space by a rocket. |
| satellite |
a spacecraft that is sent into orbit around a planet or other heavenly body to gather or send back information. [1/3 definitions] |
| shuttle |
a bus, airplane, train, or spacecraft that travels the same route back and forth. [1/3 definitions] |
| spacecraft |
A spacecraft is a vehicle that travels within outer space. |
| space shuttle |
a spacecraft designed to carry astronauts and their equipment back and forth between the earth and space. |
| space station |
a large spacecraft in orbit for a long period of time. Space stations are used for scientific study and for launching other spacecraft. |
| spacewalk |
the action of an astronaut moving about outside a spacecraft in outer space. |
| touchdown |
the point or moment at which an aircraft or spacecraft lands. [1/2 definitions] |