Across
- 2. A huge group of stars
- 3. system A star and all objects orbiting it
- 5. A space object with a tail
- 6. A hot glowing body in space
- 8. The path an object takes around a star
- 11. Orbits around a star
- 12. Everything that exists in time and space
- 14. A device to observe stars
- 15. A rocky object in space
Down
- 1. An object that orbits a planet
- 4. A vehicle for traveling to space
- 7. The layer of gases around a planet
- 9. hole An object with extremely strong gravity
- 10. A person who travels in space
- 13. A space object that falls to Earth