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Across
  1. 5. the_______ is seen as an orderly, harmonious whole
  2. 6. The death of stars is the main reason for the formation of ________
  3. 8. Earth's natural planet
  4. 9. The star at the center of the solar system
  5. 10. is the closest planet to the sun
  6. 11. takes about 365 days to orbit the sun
  7. 13. The ________ is a system of planets bound by the gravity of the Sun
  8. 14. is second only to Jupiter in size
Down
  1. 1. is the largest planet
  2. 2. a dwarf planet
  3. 3. is known as the coldest planet in the solar system
  4. 4. is the farthest planet from the sun
  5. 7. ______ are small celestial bodies left over from the early days of the solar system.
  6. 8. is known as the "red planet
  7. 12. is the closest planet to the earth and is almost the same size as the earth