Space

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Across
  1. 3. second of the planets
  2. 4. the people who go in a rocket
  3. 7. none of this in space
  4. 8. the moon does this around earth
Down
  1. 1. where nothing can escape from
  2. 2. a famous telescope in space name
  3. 5. where a splash down landing happens
  4. 6. what holds you on earth