Across
- 2. Relating to the Moon.
- 6. A hot, glowing ball of gas that shines in the sky.
- 7. A collection of planets, moons, and other celestial objects orbiting a star.
- 9. A large spacecraft where astronauts live and conduct experiments.
- 13. A spacecraft designed for space travel.
- 14. A celestial object composed of ice, dust, and gas that orbits the Sun.
- 15. A small piece of rock or metal that enters Earth's atmosphere and burns up.
Down
- 1. A massive system of stars, gas, and dust held together by gravity.
- 3. A person who travels in space.
- 4. The path an object takes around another object in space.
- 5. An instrument used to view distant objects in space.
- 8. A vehicle designed to propel itself in space.
- 10. An object that orbits a planet or a star.
- 11. A large celestial body that orbits a star.
- 12. A scientist who studies celestial objects and the universe.