[1.8] EnvironmentalVisualEnhancements [1.8.0-2]
EnvironmentalVisualEnhancements - Clouds and City Lights
EnvironmentalVisualEnhancements (a.k.a. EVE) is a mod for KSP that adds clouds and city lights. It is highly configurable and a number of other mods provide improved clouds not just for the stock planets, but for other planets provided by other mods.
Go HERE for E.V.E. for later versions of KSP
The mod works on KSP 1.8, and olde
I doubt there would be anywhere near enough resolution for them to look like that close up - that's the point of the volumetric clouds - to make them look better close up. But it might be possible to make the sphere slightly bumpy. The original question was about bump mapping from space, not close up though, which, given your image, produces something like this:
For the in-space image, we need a normal map, but to do anything interesting close up, a height map is better. For this image
