mega lesson 2 bk3

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Across
  1. 4. no longer living, (ex: dinosaurs)
  2. 7. what SETI scientist listen for in space
  3. 9. red planet
  4. 10. idea
  5. 11. create or make
  6. 12. our planet
Down
  1. 1. number of years it takes to travel across the universe
  2. 2. big hot star, the center of our universe
  3. 3. the eight planets and our sun
  4. 5. long object with a lens use to look at the stars
  5. 6. bacteria
  6. 8. space scientist