Modelled in Blender, rendered in Cycles using Filmic, composited in Photoshop.
Everything apart from the astronaut was textured using procedural nodes.
Astronaut by クロ | Kuro is licensed under CC Attribution
https://sketchfab.com/models/8366b64c9b4f41beb66f170f91b39c87
I added the futuristic looking lights on the suit.