Across
- 1. a small asteroid that moves very quickly and it has a flaming tail
- 3. study of space
- 4. a bright star
- 5. something that orbits around a planet or star
- 7. revolving around something in the space
Down
- 1. a group of stars making images
- 2. a spherical big objet in the space
- 6. an object made of rock metal or ice that is smaller than planets