Procedural texturing is great but those render times can add up! Cycles baking to the rescue!
WHAT IS SPACE VFX?
https://blendermarket.com/products/sp...
Space VFX Elements: the Ultimate Guide to Creating the Galaxy in Blender is 14+ hours video course about space. Quasars, gas giants, planets, black holes, asteroids and more.
2 Blender geeks joined forces to create this cosmic tutorial series.