Earth and space

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Across
  1. 2. Giant A large planet that is very cold like Neptune
  2. 6. Anything to do with stars
  3. 7. First satellite in space
  4. 9. A pattern of stars in the sky
  5. 11. The distance light travels in a year
  6. 13. Animals in a specific region
  7. 14. An exploding star
  8. 15. Ring of light surrounding a planet
Down
  1. 1. Layer of a planet where all living things exist
  2. 3. Theoretical boundary surrounding a black hole
  3. 4. A device used to see a great distance
  4. 5. A man made object orbiting a planet to collect data
  5. 8. 8 Planets orbiting a star
  6. 10. Materials occurring in nature
  7. 12. Earth centered solar system