In the real. of achievable but not yet done, I want a Neptune and/or Uranus orbiter.
A Neptune orbiter could give us a detailed look at both an ice giant and it's dwarf-planet-sized moon Triton, believed to be a captured KBO.
A Neptune orbiter could give us a detailed look at both an ice giant and it's dwarf-planet-sized moon Triton, believed to be a captured KBO.
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