space

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Across
  1. 3. giant collection of stars, planets, asteroids, meteors and comets
  2. 5. it is really bright and without it we would die
  3. 6. frozen gases
Down
  1. 1. first living thing in space
  2. 2. 8 of them in space
  3. 4. a dwarf planet
  4. 7. it changes shape and we only see it at night