Space

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Across
  1. 3. Planet discovered by William Herschel
  2. 7. The name of the third moon of Pluto
  3. 8. Sometimes called the 'Blue Planet' because 71% is covered in water
  4. 9. Planet named after the Roman goddess of love and beauty
  5. 12. The second largest moon of Jupiter
  6. 13. The planet with the rings
  7. 14. The largest planet
Down
  1. 1. The name the ancient Greeks called the Sun
  2. 2. The surname of the first human to journey into outer space
  3. 4. A celestial object often with a tail
  4. 5. Surname of the first man to stand on the Moon
  5. 6. Surname of the UK astronaut who spent 186 days on the space station
  6. 10. The planet discovered by Johann Gottfried Galle
  7. 11. The fourth planet from the Sun