Basic features:
- Dynamic response to viewing and lighting angle
- Photoreal 'fog' model with volumetric atmosphere
- Ready-to-render setup and environment, no external renderers required
- Suitable even for low altitude shots (ISS/shuttlecraft standard orbit) at TV resolution
- Bonus: Free 4km resolution (11,600px wide) diffuse, specular, bump and cloud maps. You may replace those with your own commercial textures.

Added features and enhancements in version 2.0 comprise:
- Viewport slider control over the most important functions
- Revamped shader tree, fixes to some problems, more realism, shorter render times
- Intelligent atmosphere reddening (sunset/sunrise), fully automated depending on viewing and lighting angle
- Optional city nightlights feature
- Optional space nebula feature