Across
- 2. Bright balls of hot gas in the sky, like the Sun.
- 4. A lab in space where scientists do experiments.
- 7. Large round objects that move around a star, like Earth or Mars.
- 9. Moon A round object that moves around the Earth and can be seen in the sky.
- 10. The planet we live on.
Down
- 1. A person who travels to space.
- 3. A red planet that is the fourth from the Sun.
- 5. Special clothes astronauts wear to stay safe in space.
- 6. A large structure in space where astronauts can live and work.
- 8. A vehicle used to travel in space.
