Photorealistic earth and moon models with high resolution 20k textures. The earth model comes with photorealistic materials that simulate the clouds and the volumetric atmosphere. Textures include diffuse, specular and normal maps for accurate representation of the surface. The model is scaled down 1000 times in relation to the real world for ease of use. Earth model comes with a dynamic material which changes between day and night in relation with the sun's position. High resolution map of the sky with all the constellations and milkyway is also included as an environment map.