Tholus
In planetary nomenclature, a tholus (pl. tholi ) is a small domical mountain or hill.
In planetary nomenclature, a tholus (pl. tholi ) is a small domical mountain or hill.
In planetary nomenclature, a tholus (pl. tholi ) is a small domical mountain or hill.
Source: Wikipedia "Tholus" · CC BY-SA 4.0
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