How do you say nadir in Russian?
— Небесная сфера#.D0.97.D0.B5.D0.BD.D0.B8.D1.82 .D0.B8 .D0.BD.D0.B0.D0.B4.D0.B8.D1.80

Group relationships for nadir in Russian
sphereшар (m) (šar); сфера (f) (sféra)