This is small clip showing a high detailed Milky Way galaxy 3D model which was made in 2008 by Nizhny Novgorod Planetarium. Made by Valentine Medvedev, produced by Yaroslav Gubchenko.
Rendering of one frame on 4 cores in 4K resolution takes about 35 minutes.
This model was used in creation of "Milky Way. Journey on a star wheel." planetarium show.