Across
- 6. A collection of star systems
- 7. Burns up in our atmosphere
- 8. The planet with the funny name
- 11. The planet known for it's rings
- 12. Even light cannot escape one of these
- 13. The former 9th planet
- 14. Everything including the galaxies
- 16. The galaxy that contains the solar system
- 17. An object made from ice that travels around the sun
- 19. Colorful bands of light in the night sky
- 20. The largest planet
Down
- 1. The Red Planet
- 2. Our home planet
- 3. Anything that orbits something else
- 4. The furthest planet from the sun
- 5. The path of an object as it revolves around something else
- 9. A stream of protons that come from the sun
- 10. A small celestial body made of rock and metal
- 15. What the Earth is
- 16. The planet closest to the sun
- 18. The hottest planet