1 : having no fixed course; "an erratic comet"; "his life followed a wandering course"; "a planetary vagabond"
adjectif
1 : of or relating to or resembling the physical or orbital characteristics of a planet or the planets
nom
1 : planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock
