ParametricPlot3D[{Cos[u] Sin[v], Sin[u] Sin[v], Cos[v]},
{u, 0, \[Pi]π}, {v, 0, \[Pi]π},
Mesh -> None,
Boxed -> False,
Axes -> None
]


r = 0.5;
d = {0, 0, 0.5}
sphere = ParametricPlot3D[r {Cos[u] Sin[v], Sin[u] Sin[v], Cos[v]} + d,
{u, -\[Pi]π/2, \[Pi]π/2}, {v, -\[Pi]π/2, \[Pi]π/2},
Mesh -> None, Boxed -> False, Axes -> None
][[1]];None][[1]];
SphereOpacity = 0.5;
CuboidOpacity = 0.5;
SphereColor = Blue;
CuboidColor = Orange;
Graphics3D[{SphereColor, Opacity[SphereOpacity], sphere, CuboidColor,
Opacity[CuboidOpacity], Cuboid[{-5, -5, 0}, {5, 5, 0.5}]},
Boxed -> False]

