Across
- 1. - A dwarf planet once considered the ninth planet.
- 3. - The planet we live on.
- 5. - A small rocky body orbiting the Sun.
- 7. - The farthest planet from the Sun.
- 8. - The force that keeps planets in their orbits.
- 9. - Known as the "Red Planet."
- 12. - An icy body that releases gas and dust when near the Sun.
- 13. - The closest planet to the Sun.
Down
- 2. - A planet that rotates on its side.
- 4. - The largest planet in the solar system.
- 6. - The path a planet takes around the Sun.
- 8. - A system of stars, planets, and cosmic material.
- 9. - Earth's natural satellite.
- 10. - Famous for its beautiful rings.
- 11. - The hottest planet, sometimes called Earth's twin.