space

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Across
  1. 4. what hottest thing
  2. 5. what floats in space for us and lets us call
  3. 6. what travels though space
  4. 8. what smallest planet
Down
  1. 1. what biggest planet
  2. 2. what killed the dinosaurs
  3. 3. what is the coldest planet
  4. 7. where place we live