Summer Sky

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Across
  1. 3. Constellation known as the Swan
  2. 5. Bright giant globular star cluster
  3. 13. The Milky Way is one
  4. 14. Constellation containing Arcturus
  5. 15. Teapot-shaped summer constellation
  6. 16. Bright star in the Summer Triangle
  7. 17. Streak of light from a shooting star
Down
  1. 1. Constellation containing Vega
  2. 2. Nearest major galaxy to the Milky Way
  3. 4. Glowing band across the summer sky
  4. 6. Orange giant star in Boötes
  5. 7. Cloud of gas and dust in space
  6. 8. Constellation shaped like a scorpion
  7. 9. Constellation shaped like an eagle
  8. 10. Bright star in Aquila
  9. 11. Bright object with a glowing tail
  10. 12. Bright star in Cygnus
  11. 15. Planet famous for its rings