Stars, Galaxies and Constellations Crossword Puzzle

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Across
  1. 2. This color of the star is the hottest
  2. 3. other name for star Sirius
  3. 6. The smallest of the Zodiac constellations
  4. 9. Largest constellation
  5. 10. This is the shape of our galaxy
  6. 11. annual path of the Sun
  7. 13. The largest of the Zodiac constellations
  8. 14. Largest known galaxy
  9. 15. brightest star in the sky
  10. 19. This constellation is nicknamed The Ram
  11. 20. The brightest star in the Zodiac constellation
Down
  1. 1. The groupings of stars we see as patterns in the night sky
  2. 4. This star does not move in the sky
  3. 5. Theory of Origin of universe
  4. 7. Biggest star
  5. 8. The astronomer who suggested that the Sun was at the center of the solar system?
  6. 12. Closest star to earth(other than Sun)
  7. 16. Our galaxy
  8. 17. closest galaxy to Earth outside the Milky Way
  9. 18. This constellation is nicknamed The Twins