Across
- 2. Has its axis tilted on its side
- 4. The envelope of gases surrounding the Earth or another planet
- 7. The elliptical path of the planets
- 8. The largest planet
- 9. Planets that are mostly made up of gas
- 10. The period of time it takes a planet to go around the Sun
- 12. The spinning of a planet on its axis
- 14. Closest planet to the Sun
- 16. Hottest planet
- 17. Has a great dark spot
Down
- 1. Has ⅔ of the surface covered by water
- 3. Another word for a moon orbiting a planet
- 5. “The Red Planet”
- 6. Gas planet with visible rings
- 11. Planets that are also called terrestrial planets.
- 13. A natural force of attraction exerted by one object on another object
- 15. Bowl-shaped cavity on the surface of a planet