composed primarily of
solid astronomical body part
landform
TGN:21400
TGN:21401
physiographic feature
FTT:96
A part of an astronomical body which is primarily composed of solid material.
EcoLexicon:landforms
EcoLexicon:landform
SWEETRealm:Landform
FTT:754
geological feature
astronomical body part
solid environmental material
compound astronomical body part