1024 x 1024 terrain created in World Creator. You get the WC key file to edit this terrain in, and it also comes in a variety of formats to import into other software to edit it up as well including:
RAW formats - 16 and 32 bits Vue and Bryce formats Object Format Worldmachine format
Comes with 30+ scifi textures at a size of 1024 x 1024 in JPG format to build your new world from or use your own textures! This package comes in a ZIP format to host all the files in one place for you. If your looking for a distant moon terrain, check this one out!