Create a 3D Earth Globe in Photoshop CS6 Extended
Using 3D Materials and Textures in Photoshop
Design a 3D Rotatable Earth Sphere in Photoshop CS6
In this video we look at the very straightforward process of creating an Earth in Photoshop Extended.
Resources
You might want to check out these sites for useful maps.
https://www.oera.net/How2/TextureMaps2.htm
https://www.arcscience.com/otherProducts/earthImagery.html