space

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Across
  1. 1. /the red planet
  2. 2. / a group of stars
  3. 4. /the only planet we know of with life on it
  4. 6. / the biggest planet
  5. 8. / the coldest planet
  6. 9. /has rings
  7. 10. /has big craters
Down
  1. 1. / the closest planet to the sun
  2. 3. /go in to space
  3. 5. / the hottest planet
  4. 7. /a dwarf planet
  5. 9. /our solar systems only star