Visible Galaxy 4K
There are a number of mods that improve the look of the sky above the Commonwealth but this might just be the most spectacular of the bunch.
Visible Galaxy 4K adds a gorgeous version of the Milky Way galaxy to the game's sky. It looks absolutely stunning.
The photo here will give you some idea but we highly recommend taking a look at the video below to get the full effect.
If you want to add some more eye candy to your game, this mod is perfect for you.