SPACE!

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Across
  1. 2. The only planet that is not named after a Roman/Greek god
  2. 3. Gravitational force can pull even light
  3. 4. Named after the Roman/Greek god of the sea
  4. 6. The biggest planet in the solar system
  5. 8. It's the smallest planet and the closest to the sun
  6. 10. big chunks of rock that wiped out the dinosaurs
  7. 11. A collection of stars with a black hole in the middle
  8. 12. famous for its rings
Down
  1. 1. protects us from the radiation shot out of the sun
  2. 5. It in the middle of our solar system
  3. 7. It's the hottest planet
  4. 8. the galaxy earth belongs to
  5. 9. spin around the Earth