Space: The Final Frontier!

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Across
  1. 4. The only planet that can sustain Human life
  2. 6. Closest planet to the Sun
  3. 7. Formerly the furthest planet from the sun
  4. 9. A group of stars that make a shape
  5. 10. The passage of one celestial body in front of another
  6. 11. The natural force of attraction that pulls objects together
  7. 13. Our Solar System belongs to this galaxy
  8. 14. Celestial body that emits light
Down
  1. 1. Planet known for its rings
  2. 2. Consists of all 8 Planets, the Sun, and all bodies that orbit it
  3. 3. Moons and planets _______ light
  4. 5. A body that revolves around a larger body
  5. 8. One Earth year equals one _______ around the Sun
  6. 9. Canadian contribution to the International Space Station
  7. 11. A large group of stars
  8. 12. The Red Planet