From the "Quite Interesting" Twitter channel · 8:45am Mar 4th, 2019
All formations on Saturn's moon Titan must be named for places in Lord of the Rings or Dune. Everything on Jupiter's moon Io must be fire-themed (or related to Dante's Inferno). Places on Pluto's moon Charon must be named for fictional space expeditions.
Now, we wait for darth vader to arrive