Space

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Across
  1. 3. visitor to space for research
  2. 5. A group of stars gas and dust held together by gravity. Eg milky way
  3. 7. Closest planet to the sun
  4. 9. sixth planet from the sun
  5. 10. furthest proper planet from the sun
  6. 11. second closest planet to the sun
Down
  1. 1. fourth closest planet to the sun
  2. 2. an object that orbits
  3. 4. rocky dusty boulders in space
  4. 6. fifth planet from the sun
  5. 8. seventh planet from the sun
  6. 12. third closest planet to the sun