Across
- 1. The center of the solar system.
- 7. The path where planets revolve around the sun.
- 8. Earth spinning around the sun is known as ______.
- 9. The earth spins on its ______.
- 10. The planets are held around the sun by its pull of ______.
Down
- 2. The coldest planet in the solar system.
- 3. The largest planet in the solar system.
- 4. The closest planet to the sun.
- 5. One complete ______ of the earth took 24 hours.
- 6. Also known as the Red Planet.