Solar system

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Across
  1. 4. nearest planet to the Sun
  2. 5. Dwarf planet
  3. 8. A group of stars
  4. 9. largest planet
Down
  1. 1. Planet which takes maximum time for one orbit around the Sun
  2. 2. the only satellite of the earth
  3. 3. the explosion of a star
  4. 4. the red planet
  5. 6. Earth’s Twin
  6. 7. the blue planet