Our Solar System

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Across
  1. 3. a hot sphere of glowing gases
  2. 6. first planet
  3. 7. hollow area or pit in the ground
  4. 9. June 20
  5. 10. suns most important gas
  6. 11. orbits the earth
  7. 13. 24 hours 1 spin
  8. 14. largest planet
  9. 17. imaginary line that a spinning object turns around
  10. 18. great dark spot
  11. 20. only planet where life exists
  12. 21. 1000s of shiny rings made of ice and rock
Down
  1. 1. The 8 planets, all their moons, the asteroid belt, and all the smaller objects
  2. 2. December 21
  3. 4. hottest planet
  4. 5. an object that moves in orbit around another larger body
  5. 8. 365 days 1 time around the sun
  6. 12. The invisible curved path that a planet travels along
  7. 15. shape similar to an oval
  8. 16. the red planet
  9. 19. rotates on a tilted axis