Across
- 1. Natural satellite that orbits a planet
- 5. Large-scale explosion that marks the birth of a star
- 8. Study of the universe and its origin
- 10. Our home galaxy
- 12. Vehicle used to travel into space
- 13. The vast expanse that contains all matter and energy
- 14. The third planet from the Sun
Down
- 2. Astronomical object made up of gas and dust
- 3. Determines the position of objects in space
- 4. Structure that holds celestial bodies together
- 6. Artificial object placed in orbit around a celestial body
- 7. Pertaining to the universe or cosmos
- 9. A large object that orbits a star and shines by reflecting light
- 11. Celestial body that emits light and heat