Across
- 2. Spinning on an axis
- 4. Where we live
- 6. Has different phases depending on where it is around the Earth.
- 8. What revolves around the sun
- 10. The idea the earth is the center of everything
- 14. The inner planets
- 16. Too many and too small to be a planet
- 17. Has different phases depending on where it is in space
- 18. The ball of rock and ice flying though the solar system
- 20. The outer planets
Down
- 1. The idea the sun is the center of the solar system
- 3. The force that pulls objects to the ground
- 5. What everything is in
- 7. Where the sun, planets, and smaller rocks are.
- 9. When one object blocks out another.
- 11. A group of stars
- 12. When one object moves around another.
- 13. An idea to explain the universe's creation
- 15. What the sun is
- 19. The center of the solar system