astronomy

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Across
  1. 2. a known star pattern
  2. 4. point in the sky directly overhead
  3. 8. an unknown star pattern
  4. 11. near a celestial pole
  5. 12. a shooting star
  6. 13. when day and night is equal
  7. 14. a collection of stars
Down
  1. 1. one of the eight? nine?
  2. 3. floating space rock
  3. 5. supermassive black hole
  4. 6. really big gas giant
  5. 7. longest day, shortest night
  6. 9. bright star go kaboom
  7. 10. a north-south line through a zenith