Across
- 2. A burning space rock
- 6. The study of the universe
- 7. A round celestial object that orbits a star
- 8. Another name for the universe
- 10. A massive system of stars
- 11. Another word for extraterrestrial
Down
- 1. A vehicle to reach the stars
- 3. US program for spaceflight
- 4. A famous space telescope
- 5. Group of stars that form a pattern or shape
- 6. a small, rocky body that orbits the Sun
- 9. What we see in the night sky