Across
- 6. A luminous ball of gas that emits light and heat
- 8. System The system of planets and other objects orbiting around the Sun
- 9. An instrument used to observe distant objects in space
- 11. A vehicle designed for space travel
- 13. The path that one object takes around another
- 14. An instrument used to observe distant objects in space
- 15. A vehicle that launches into space
Down
- 1. The vast expanse that contains all matter and energy
- 2. A large celestial body that orbits around a star
- 3. A person who travels and works in space
- 4. A small rock or particle that burns up in Earth's atmosphere
- 5. A system of millions or billions of stars
- 7. The force that pulls objects toward each other
- 10. A small celestial object made of ice and dust
- 12. An object that orbits around a planet or star