IAU descriptor term
Vastitates in the Solar System
Vastitas is the term planetary geologists use for an extensive plain — the term is used for exactly one feature. 1 named feature carries it, across 1 of the 14 mapped worlds, the largest being Vastitas Borealis on Mars at 2,003 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 vastitates, 1 categories appear.
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