I want to rotate earth about z axis but it gives me error that object is not 3d Graphics
You apply GeometricTransformation to the primitives of Planet, that you extract with [[1]]:
Graphics3D[
GeometricTransformation[Planet[[1]],
RotationTransform[Pi/3, {0, 0, 1}]]]
Use Show rather than Graphics3DÂ…
Sorry, this is the right answer… I didn’t quite understand what was done…

