Across
- 7. Dwarf planet
- 8. People who go into space
- 10. Contains all the stars, planets and galaxies that exist
- 12. The name of our galaxy
- 13. What orbits the earth
- 14. Twinkle Twinkle, Little ____
- 15. The only planet that can sustain life
Down
- 1. Vehicle used to go to space
- 2. What an exploding star is called
- 3. Red planet whose name rhymes with "stars"
- 4. The biggest planet in the solar system
- 5. The closest planet to the sun
- 6. A void that can suck in anything, even light
- 9. The name of the closest star to earth
- 11. Planet surrounded by rings of ice