Science crossword puzzle

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Across
  1. 1. The second planet from the sun.
  2. 4. a spherical shell of icy objects.
  3. 6. This planet is known for being made of cow farts
  4. 8. the largest planet in our solar system.
  5. 9. Earths evil twin.
  6. 10. the only planet that holds life.
  7. 11. The farthest known planet from the sun.
Down
  1. 2. This planet is known for it's rings.
  2. 3. the hottest star in the solar system.
  3. 5. a doughnut shaped made of ice and debris.
  4. 7. located between Mars and Jupiter.
  5. 9. known for being small and fast.