IAU descriptor term
Oceani in the Solar System
Oceanus is the term planetary geologists use for the largest of the dark lava plains. 1 named feature carries it, across 1 of the 14 mapped worlds, the largest being Oceanus Procellarum on The Moon at 2,592 km.
Where they are
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 1 oceani, 1 categories appear.
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