Across
- 1. known as the earths twin.
- 4. known as the 'red planet'.
- 5. the largest planet.
- 8. furtherest planet from earth.
Down
- 2. furtherest from the sun.
- 3. known for its rings.
- 4. planet closest to the sun.
- 6. smallest planet.
- 7. home to all known life.