PanglossTech Home
panglosstech.com
Planetary Navigator
Inner Planets
Mercury
Venus
Earth's Moon
Mars
Jovian Moons
Callisto
Europa
Ganymede
Io
Saturnian Moons
Dione
Enceladus
Iapetus
Mimas
Phoebe
Rhea
Tethys
Titan
Definitions
USGS Planetary
Nomenclature

NASA World
Wind Home


Feature Type Descriptions

Feature TypeDescriptionDesignation
Albedo FeatureGeographic area distinguished by amount of reflected lightAL
Arcus, arcusArc-shaped featureAR
Astrum, astraRadial-patterned features on VenusAS
Catena, catenaeChain of cratersCA
Cavus, caviHollows, irregular steep-sided depressions usually in arrays or clustersCB
ChaosDistinctive area of broken terrainCH
Chasma, chasmataA deep, elongated, steep-sided depressionCM
CollesSmall hills or knobsCO
Corona, coronaeOvoid-shaped featureCR
Crater, cratersA circular depressionAA
Dorsum, dorsaRidgeDO
Eruptive centerActive volcanic centers on IoER
Facula, faculaeBright spotFA
Farrum, farraPancake-like structure, or a row of such structuresFR
Flexus, flexusA very low curvilinear ridge with a scalloped patternFE
Fluctus, fluctusFlow terrainFL
Flumen, fluminaChannel on Titan that might carry liquidFM
Fossa, fossaeLong, narrow depressionFO
Labes, labesLandslideLA
Labyrinthus, labyrinthiComplex of intersecting valleys or ridges.LB
Lacus"Lake" or small plain; on Titan, a "lake" or small, dark plain with discrete, sharp boundariesLC
Landing site nameLunar features at or near Apollo landing sitesLF
Large ringed featureCryptic ringed featuresLG
Lenticula, lenticulaeSmall dark spots on EuropaLE
Linea, lineaeA dark or bright elongate marking, may be curved or straightLI
Lingula, lingulaeExtension of plateau having rounded lobate or tongue-like boundariesLN
Macula, maculaeDark spot, may be irregularMA
Mare, maria"Sea"; large circular plain; on Titan, large expanses of dark materials thought to be liquid hydrocarbonsME
Mensa, mensaeA flat-topped prominence with cliff-like edgesMN
Mons, montesMountainMO
OceanusA very large dark area on the moonOC
Palus, paludes"Swamp"; small plainPA
Patera, pateraeAn irregular crater, or a complex one with scalloped edgesPE
Planitia, planitiaeLow plainPL
Planum, planaPlateau or high plainPM
PlumeCryo-volcanic features on TritonPU
Promontorium, promontoria"Cape"; headland promontoriaPR
Regio, regionesA large area marked by reflectivity or color distinctions from adjacent areas, or a broad geographic regionRE
Reticulum, reticulareticular (netlike) pattern on VenusRT
Rima, rimaeFissureRI
Rupes, rupesScarpRU
Satellite FeatureA feature that shares the name of an associated feature. For example, on the Moon the craters
referred to as "Lettered Craters" are classified in the gazetteer as "Satellite Features."
SF
Scopulus, scopuliLobate or irregular scarpSC
Sinus, sinus"Bay"; small plainSI
Sulcus, sulciSubparallel furrows and ridgesSU
Terra, terraeExtensive land massTA
Tessera, tesseraeTile-like, polygonal terrainTE
Tholus, tholiSmall domical mountain or hillTH
UndaeDunesUN
Vallis, vallesValleyVA
Vastitas, vastitatesExtensive plainVS
Virga, virgaeA streak or stripe of colorVI