Space

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Across
  1. 1. the fourth planet from the sun
  2. 3. galaxy of our solar system
  3. 4. the planet with the largest rotation period
  4. 6. all of space's contents
  5. 7. takes 365 days to orbit around the sun
Down
  1. 2. incudes all the planets
  2. 3. orbits planet earth
  3. 5. a giant star that is the centre of our solar system