space crossword hard

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Across
  1. 2. the star in our solar system.
  2. 5. a thing so heavy not even light can escape.
  3. 6. what are stars made of?
  4. 8. what was the first animal in space
  5. 10. The force that keeps planets in orbit around the Sun
  6. 12. the so called ice planet.
  7. 13. the planet longest from the sun.
  8. 14. the blue planet
Down
  1. 1. a big rock traveling with high speed.
  2. 3. Large cloud of gas and dust where stars are born
  3. 4. what planet has a lot of volcanos.
  4. 7. the people the go to space.
  5. 9. what lacks in space, witch makes it possible to breath?
  6. 11. the hottest planet in our solar system