Why are Pluto and Charon so different?
The two best-explored outer Solar System worlds orbit one another. But no one was prepared for what New Horizons saw.
Published in
7 min readJan 13, 2016
“Just as a Chihuahua is still a dog, these ice dwarfs are still planetary bodies. The misfit becomes the average. The Pluto-like objects are more typical in our solar system than the nearby planets we…