This small demo shows the rendering of the earth using HTML5 and WebGL.
The demo uses shaders for per pixel lighting, procedural clouds, atmosphere and a day and night cycle. The high resolution textures are taken from NASAs visible earth gallery. You can move using the WASD keys and change the view by clicking and dragging.
You can try it by clicking on the following link (WebGL-compatible browser required, e.g. Firefox, Chrome, Opera):