Across
- 3. is when planets circle around the sun.
- 4. the coldest planet in the whole solar system.
- 5. the planet that is close to the sun.
- 6. is made out of hydrogen and helium gases.
- 10. a planet that is the hottest planet in the whole solar system.
Down
- 1. an spherical shape that orbits the sun.
- 2. an irregular shape that orbits the sun.
- 7. the only planet laying on its side.
- 8. the place where we live.
- 9. is made of chunks of ice and dust or rock.