Across
- 1. the system of planets that travel around the Sun
- 5. a person who is trained to travel in a spacecraft
- 6. the galaxy that the Earth belongs to
- 8. vehicle for travelling in space
- 9. to move around or make something move around like a wheel
Down
- 2. an object that travels around a planet or star
- 3. a large group of stars
- 4. all of space, the stars and the planets
- 7. any of the large bodies that revolve around the sun in the solar system