| A | B |
|---|
| Apollo | Nasa's name for its space program |
| astronaut | a person who is trained to travel in outer space in a spaceship |
| command module | The small spacecraft that orbited the moon, then brought the astronauts back to the Earth. |
| commander | A person who has full control of a group. |
| ignite | Cause to start burning; subject to fire or great heat. |
| gauges | tools for measuring |
| moon | A small satellite that revolves around a planet. The Earth has one. |
| propel | To force into forward motion |
| rocket | A vehicle that is used to send spacecraft into space. |
| spacecraft | A vehicle for outer space travel |
| space suit | A pressurized suit worn by astronauts that controls temperature and supplies them with oxygen. |
| space | area far away from Earth; area around the planets and stars |
| pilot | Someone who is licensed to operate an aircraft in flight. |
| NASA | National Aeronautics and Space administration, agency that conducts space research |
| mission control | place in Houston, Texas, from which scientist direct space flights and advise astronauts. |
| lunar module | part of space ship that lands on the moon |
| weightlessness | The condition of floating freely in space, having no weight and feeling no downward pull from gravity. |
| Neil Armstrong | the first astronaut to walk on the moon |
| Buzz Aldrin | the astronaut who was the second person to step on the moon |
| Michael Collins | the astronaut who circled the moon alone while the others did experiments |
