The zip archive contains the model in the file format 'mb'. The archive includes all source bitmaps used in the creation process as well: Earth Diffuse, Earth Cloud Map, Earth Region Mask, Earth Night Lights, and Earth Topology Bump Map. It may be necessary to reload the bitmaps when loading the scene in Maya. Bitmaps are JPG 4096x2048.
A few simple attributes are attached to the Earth Ground transform node, allowing editing of a few common attributes without having to dig through the shading network. A directional light with all default settings was put into the scene to render these preview images, then deleted. Rendered with the Maya Software renderer.