Across
- 2. The planet with rings
- 3. The planet closest to the Sun
- 7. The distance light travels in one year
- 8. The name of our galaxy
- 11. A group of stars with a definite pattern or arrangement
- 14. The planet closest to Earth
- 15. The movement of the Earth around the Sun
- 16. A very small star
- 17. An instrument that makes distant objects look larger and closer
- 18. The "Red Planet"
- 19. The largest planet in our solar system
- 20. Number of stars in the Big Dipper
Down
- 1. A large group of stars, gas and dust
- 4. The spinning of the Earth on its axis
- 5. Another name for the North Star
- 6. A star's brightness is called its ______.
- 9. Small rocky objects that revolve around the sun, mostly in the area between Mars and Jupiter
- 10. A scientist who studies stars and planets
- 12. A mass of material with a long tail that travels around the Sun
- 13. A star much larger than our sun
