Space

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Across
  1. 5. The Roman god of the sea
  2. 7. The fourth planet from the sun
  3. 8. The largest planet in our solar system
  4. 10. A liquid used in thermometers
  5. 11. The United States landed here in 1969
Down
  1. 1. Second planet closet to the sun
  2. 2. Planet with rings
  3. 3. The star at the center of our solar system
  4. 4. The collection of planets and moons circling a star
  5. 6. This planet's surface is 71% covered in water
  6. 9. This planet has 27 moons