22. Outer Space

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Across
  1. 2. A dirty snowball in the sky with a tail.
  2. 3. Something having to do with a world's orbiting natural satellite.
  3. 6. Giant A very large world made mostly of gas.
  4. 10. A space traveler.
  5. 11. A starry picture in the night sky.
  6. 15. The distance light travels in one year.
Down
  1. 1. Space Station A big science lab orbiting our home world.
  2. 4. The seventh world from its central star, a blue-green ice giant.
  3. 5. When one heavenly body blocks the light of another.
  4. 7. Something from beyond our home world.
  5. 8. A small dwarf world beyond the major ones in our system.
  6. 9. A famous telescope floating above our atmosphere.
  7. 12. The sixth world from its central star, famous for its beautiful rings.
  8. 13. The eighth and farthest major world from its central star, also a blue ice giant.
  9. 14. A giant group of burning balls of gas.