planets menu project

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Across
  1. 3. frozen water, ammonia, and methane
  2. 4. only planet inhabited entirely by robots
  3. 8. a day that lasts longer than its year
  4. 9. the most pristine, primordial material from the solar system's formation.
  5. 11. a uniquely tilted, off-center magnetic field.
  6. 12. The only planet that contains liquid water
Down
  1. 1. a massive, dense concentration of millions of, largely, in-orbit rocky remnants and primordial materials from the early solar system that never merged into a full planet
  2. 2. a unique, giant heart-shaped glacier named Sputnik Planitia, composed of frozen nitrogen, methane, and carbon monoxide.
  3. 5. an extremely iron-rich core
  4. 6. the strongest, largest magnetic field of any planet in the solar system
  5. 7. an extremely iron-rich core
  6. 10. what every planet revolves around