Solar System crossoword

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Across
  1. 1. Is the future mission to Saturn (specifically Titan)
  2. 4. A Galilean moon
  3. 6. Kepler's second law associates equal time with equal.
  4. 8. This spacecraft is shaped like a fidget spinner
  5. 10. Humans mostly emit.
  6. 13. Plumes of water were found on this moon of Saturn
  7. 14. This is the most volcanically active object in the solar system
  8. 15. This moon has a very thick atmosphere of mostly nitrogen
Down
  1. 2. Uranus was almost named as.
  2. 3. Is more energetic than visible light
  3. 5. Is more energetic than x-rays.
  4. 7. Has lakes and rivers of methane
  5. 9. Rotates on the side
  6. 11. Newton's first law is also called the law of.
  7. 12. Is the least dense planet
  8. 13. This moon of jupiter is covered in ice and has blood red lines running through the ice