Black Holes

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Across
  1. 2. universe
  2. 4. einstein
  3. 7. sun
  4. 8. galaxy
  5. 10. gravitational pull
  6. 11. worm hole
  7. 14. event horizon
  8. 16. theory
  9. 17. Jupiter
Down
  1. 1. milky way
  2. 3. singularity
  3. 5. schwarzschild radius
  4. 6. black hole
  5. 9. hawking
  6. 12. light
  7. 13. moon
  8. 15. nebula