If you look for fictional and realistic planet , you might get this one. there ara bump surface and atmospher with clouds on it. And atmospher, clouds and surface are 3 different materials. Also you can change the colours however you want! It has been animated too.
INFO
Blender 2.91
Cycles render (you may also use it with evee)
4K DCI 2160p
No texture
Total polygons: 61440
Total vertices: 30726