Its called "ambient space music" I use it when I sleep and I have epic dreams you really should try it out. WEAR HEADPHONES
I had insain lucid dreams while listening to this like exploring other solar systems and visiting the sun.
The first one is the rings of saturn link: https://www.youtube.com/watch?v=lrGw75X9fFg
Second one is accross the univerese link: https://www.youtube.com/watch?v=nTXeWIL1vhA
Third one is Deep space ambient music link: https://www.youtube.com/watch?v=DVemWCm_uzE
DISCLAMER I TAKE NO CREDIT FOR THESE, I DIDNT MAKE THEM ALL RIGHTS GO TO THE OWNER OF THE VIDEOS.