Across
- 2. one day on this planet takes 17 earth hours
- 3. about 1/5 the size of earth
- 5. this planet has rust in its dirt making it look red
- 7. if it is hollow 1,00 earths could fit inside it
- 8. this planet does not have any moons
Down
- 1. it takes 305 earth years to orbit the sun
- 4. this holds our 8 planets and 5 dwarf planets
- 6. this planet is the second largest in the solar system