Across
- 2. / The force that keeps planets and people on the ground.
- 5. / A craft designed for space travel.
- 7. / A person trained to travel and work in space.
- 9. / The natural satellite of Earth visited by astronauts.
Down
- 1. / When an astronaut works outside their spacecraft.
- 3. / The U.S. space agency responsible for space exploration.
- 4. / The path one object takes around another in space.
- 5. / The first artificial satellite sent into space.
- 6. / The act of sending a rocket into space.
- 8. / A vehicle used to launch people or objects into space.