Patterns of Earth and Sky Crossword

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Across
  1. 2. A constellation that we have identified on the mysterious artifact
  2. 5. Information that supports an answer to a question
  3. 7. A constellation observable in the winter
  4. 9. A huge object in space that gives off heat and light
  5. 12. A constellation observable in the summer
  6. 14. An arrangement of stars as seen from Earth
  7. 15. A scientist who studies stars, planets, and other objects in the universe
  8. 16. Year We have one of these every 4 years in order to keep our calendar consistent
  9. 17. The only star in our solar system
Down
  1. 1. An attempt to find out about something
  2. 3. An object that is visible at day and night
  3. 4. The invisible force that keeps us on the ground
  4. 6. Something that changes within an investigation
  5. 8. Earth does this to the sun and the moon does it to Earth
  6. 10. The length of time it takes Earth to orbit the sun one time
  7. 11. A period of time that is 24 hours long and includes daytime and nighttime
  8. 13. The Earth does this once per day
  9. 16. Year The distance that stars are measured