universe

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Across
  1. 3. is the nearest body to the earth
  2. 4. wide and vast space contains galaxies
  3. 6. year is the distance covered by light in a year
  4. 8. is the nearest star to us
  5. 9. is our planet
  6. 11. clusters are a group of galaxies
Down
  1. 1. it is space telescope
  2. 2. is the biggest planet
  3. 3. is the smallest planet
  4. 5. way is our galaxy
  5. 7. is the biggest unit of universe
  6. 10. bang is a theory of universe