Across
- 3. A large glowing ball of plasma in space.
- 5. The planet known for its large, visible rings.
- 7. An object made of ice and dust with a glowing tail when near the Sun.
- 11. A group of stars that form a pattern.
- 13. The "Red Planet".
- 14. A huge collection of stars, dust, and gas held together by gravity.
- 16. The planet we live on, also called the "blue planet".
- 18. The second planet from the Sun, the hottest planet.
- 19. The largest planet in the solar system.
- 20. A natural satellite that orbits a planet.
Down
- 1. A celestial body orbiting a star.
- 2. The first man to walk on the Moon (last name).
- 4. The force that pulls objects toward each other.
- 6. The study of moons, stars, and other objects in space.
- 8. A tool used to see distant objects in space.
- 9. A bright streak of light caused by a rock burning up in the atmosphere.
- 10. The star at the center of our solar system.
- 12. The path an object takes around a star or planet.
- 15. A person trained to travel into outer space.
- 17. Small, rocky objects that orbit the Sun, often found in a belt.