Earth & Sky

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Across
  1. 2. to make a picture in your mind
  2. 7. a description of how something works and why it happens
  3. 8. group of objects that revolve around a star, including planets, moons, asteroids and comets
  4. 9. a perfectly round 3d shape
  5. 12. the only star in our solar system
  6. 13. a unit of measure that describes the distance light travels in one year
  7. 14. observations or measurements recorded in a investigation
  8. 15. the pull between Earth and other objects
  9. 16. to move in a regular path around something
Down
  1. 1. information that supports an answer to a question
  2. 3. scientist who studies stars, planets and other objects in the universe
  3. 4. Something scientist make to answer questions
  4. 5. a group of stars
  5. 6. imaginary line around which an object rotates or spins
  6. 9. The only star in our solar system
  7. 10. a huge object in space that gives off heat and light
  8. 11. something we observe to be similar over and over again
  9. 12. the brightest star in the night sky-Canis Major