Because I'm performing a brute force atmospheric simulation, I'm able to render the atmosphere from any point of view. After a few tweaks, I'm now able to render images from outside the atmosphere. Here are a few images that show what the Earth looks like from space. The planet's surface is currently an 18% gray Lambertian diffuse reflector.
|The planet as seen from 200 km up.|
|Same view as above, but with no atmosphere.|
|A different view. Also 200 km up. Sun right below the horizon.|