the universe

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Across
  1. 3. this theory states that the sun gravitational pull captured nearby planets
  2. 4. most of it is made from water
  3. 6. closest to the sun
  4. 8. created due to clumping of dust
  5. 11. fourth largest
  6. 12. creates planetesimals
  7. 13. red planet
Down
  1. 1. has an ongoing storm on it
  2. 2. this theory states that a supernova created the solar system
  3. 5. closest in size to earth
  4. 7. dwarf planet
  5. 9. has oxygen
  6. 10. very windy planet