Touring the Solar System

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Across
  1. 2. Moon of Pluto
  2. 4. Largest impact crater in the SS
  3. 6. Windiest Planet in the Solar System
  4. 9. forces How distant moons with possible sub-surface oceans are thought to be heated
  5. 11. Large moon with retrograde motion & cry-volcanoes
  6. 12. Largest Moon in our Solar System
  7. 14. Rocky region between Mars and Jupiter (2)
  8. 15. Largest canyon in the solar system (2)
  9. 16. Nasa Mission that landed on an asteroid and redirected it
  10. 17. Its day is longer than its year
  11. 20. Largest mountain and volcano in the SS(2)
Down
  1. 1. A martian natural satellite
  2. 3. Most volcanically active place in the SS
  3. 5. Object that struck earth and formed out moon
  4. 7. Only place besides earth with lakes
  5. 8. a likely spot for life outside earth
  6. 10. Rotates backwards and is on its side
  7. 12. Giant Hurricane that has been raging for centuries (3)
  8. 13. Home of the Caloris Basin
  9. 18. roughly a quarter of a million miles from earth
  10. 19. 93 million miles from earth