Across
- 2. jupiter ans staurn go into this category
- 4. the second ctaegory of planets, those which are not terrestrial
- 5. the smallest planet closest to the sun
- 6. what is our sun?
- 8. the only known environment that can sustain life
- 10. one of the gasses that make up the gas planets
- 13. Pluto is a...
- 14. the hottest planet
Down
- 1. uranus and neptune go into this other category
- 3. considered to be the edge of the solar system
- 7. flat disc of rocky objects full of remnants of the solar system's formation
- 9. the largest planet in our solar system
- 11. famous for rotating on its side
- 12. our galaxy