Space

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Across
  1. 4. living being that is not human and does not live in our planet
  2. 5. it is too hot, warm our planet
  3. 6. they shine bright
Down
  1. 1. it is white and looks fluffly
  2. 2. it is grey and spins around the earth
  3. 3. we have 8 of those in our solar system