IAU descriptor term
Cavi in the Solar System
Cavus is the term planetary geologists use for a hollow or irregular steep-sided depression. 30 named features carry it, across 2 of the 14 mapped worlds, the largest being Amenthes Cavi on Mars at 1,331 km.
Where they are
The largest cavi anywhere
Ranked across every mapped world, by catalogued diameter.
1Amenthes CaviMars1,331 km2Scandia CaviMars664 km3Cavi AngustiMars640 km4Sisyphi CaviMars424 km5Olympia CaviMars343 km6Oenotria CaviMars247 km7Moyle CavusEuropa145 km8Deuteronilus CavusMars123 km9Avernus CaviMars115 km10Juventae CaviMars94.4 km11Hyperborei CaviMars92.8 km12Ismenius CavusMars90.6 km13Argyre CaviMars72.3 km14Octantis CaviMars71.2 km15Dalu CavusMars65 km16Hydrae CavusMars64.5 km17Boreum CavusMars62.1 km18Hadriacus CaviMars59.1 km19Peraea CavusMars56.2 km20Tenuis CavusMars51.5 km21Ausonia CavusMars49.5 km22Layl CavusMars48.4 km23Malam CavusMars48 km24Ganges CavusMars43.1 km25Usiku CavusMars42 km26Nat CavusMars40.4 km27Oxus CavusMars37.9 km28Ophir CavusMars36.7 km29Noc CavusMars29.7 km30Hiddekel CavusMars23.3 km
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 30 cavi, 11 categories appear.
Latin10Greek9Roman2Indonesia2Egypt1Arabian1Swahili1Denmark1