Detail this asset from Unity Asset Store: Original Link
This is a paid asset, but we’ll share Planet terrain Editor & Generator Free for you. Enjoy!!!
Planet terrain Editor & Generator
Unity 5 Compatible
The best way to create planets for your strategy or space games!
Save created planets as prefabs in Unity Editor or implement it into your game
and provide your players with an in-game planet editor.
WEB DEMO:medium planet
(6k vertices)
Youtube Demo
Features:
– Easy to use terrain editor
– Perlin noise based terrain generator
– Realistic planet shader supporting up to 7 textures
– Cartoon planet shader supporting up to 7 textures
– Clouds shader and script to make them look dynamic
– Glow shader
– Saving planets as prefabs in Editor mode
– 3 planet sizes: 2.5k vertices, 6k vertices, 25k vertices
Not recommended for mobile!