NEBULA is an interstellar cloud of dust, hydrogen, helium and other ionised gases. Looking at one of these is like, at the same time, watching to the future and the past, due too the light velocity and the distance between us and them. 

Leonardoworx made a design research about this concept, and "we are made of stardust" manifesto. It's an ordered disorder guided by abstract shapes with nebulas textures in a first step.
"In the second one I painted my imaginary textures (inspired always by real nebulas). Looking at universe is so inspiring and it shows how little we are in space and time dimensions," - says Leonardo