Across
- 2. A celestial body that orbits the Earth
- 4. Hottest planet in the solar system
- 6. Explored the surface of mars, grabbing materials and taking photos
- 8. A type of planet with a rocky surface
- 9. Planets outside the asteroid belt
- 10. Known as the red planet
Down
- 1. A layer on planets that keeps gases and temperature inside
- 3. Closest planet to our sun, named after a greek god
- 5. Planets inside the asteroid belt
- 7. When one object rotates around another