Across
- 2. To spin on an axis
- 5. This gas giant is famous for its ring
- 6. The hottest planet in the solar system, with an atmosphere of 99% CO2
- 7. The __________ belt separates the rocky, inner planets from the gas giants
- 10. To travel in a circle around a central object
- 11. The force that keeps the planets trapped by the sun
- 12. The smallest planet, and closest to the sun
- 13. Only planet in the solar system with known life
Down
- 1. The planet furthest from the sun
- 3. Known as the "Red Planet" for its iron-rich soil
- 4. The largest planet in our solar system
- 8. Our sun and the planets that orbit it (one word, no space)
- 9. It takes Earth 365 days to ______ the sun
- 12. Earth has only one, but Mars has two and Jupiter has 79!