Across
- 4. any object in space which travels around another object in space
- 6. a ball of gas that gives out light and heat
- 8. an object that is in space
- 9. any object that travels around a star
- 10. an example of a star
Down
- 1. a large body that has not cleared its orbit
- 2. the study of everything in space
- 3. gas/dust and billions of stars and their solar systems
- 5. a star and all the objects that travel around it
- 7. an example of a satellite