star crossword

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Across
  1. 3. Star in Aquila constellation
  2. 5. Blackholes originate from what?
  3. 6. star in Sirius constellation
  4. 13. What is the largest the largest constellation?
  5. 14. The only star that does not seem to move from night to night.
  6. 15. The birthplace of stars.
  7. 18. The word Asteroid in Greek means ______-like.
  8. 19. The number of stars in Orion's belt
  9. 20. What constellation is the star Betelgeuse in?
Down
  1. 1. The second brightest star in the sky.
  2. 2. The closest star to our solar system is _____ Centauri.
  3. 4. The largest stars known to scientists.
  4. 7. Primary source of heavy elements in the universe.
  5. 8. Antares star in Scorpius constellation is what type of star?
  6. 9. Closest of the brightest stars to the North Pole.
  7. 10. Which gas makes up 30% of the sun's mass?
  8. 11. What is known as the Dog Star?
  9. 12. What is a star mostly made of?
  10. 16. Type of star system where two stars orbit around their centers of mass.
  11. 17. What is the smallest constellation?