IAU descriptor term
Freta in the Solar System
Fretum is the term planetary geologists use for a strait — a narrow channel connecting two larger bodies of liquid. 4 named features carry it, across 1 of the 14 mapped worlds, the largest being Hardin Fretum on Titan at 246 km.
Where they are
The largest freta anywhere
Ranked across every mapped world, by catalogued diameter.
What they are named after
Naming themes are set per world, so one descriptor can draw on very different sources depending on where it sits. Across all 4 freta, 1 categories appear.
United States4