Titan

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Across
  1. 2. Named after immortal ____ of greek mythology
  2. 3. One day is nearly ____ earth days.
  3. 6. Larger than what planet?
  4. 7. Mystery gas it contains that nobody knows where it came from.
  5. 10. Has a very dense ______.
  6. 11. Saturn's largest moon.
  7. 12. Only world besides Earth that has standing ___.
Down
  1. 1. It's atmosphere is primarily ___.
  2. 4. It's crust is made of ____.
  3. 5. It has a water cycle akin to what planet?
  4. 8. Light from the sun takes about ____ minutes to reach Titan.
  5. 9. Molecules in high atmosphere are split apart by the sun's _____