Black Hole Armillary Sphere • Editorial Science Illustration • Quanta Magazine • 2022

Encased in a gyroscopic armillary sphere, a supermassive black hole powers the gears that drive a galaxy — or is it the other way around?

Alt. I like this one also, but didn’t end up choosing it because the lines flatten the scene.

Concept sketches: the ingredients that make a galaxy work vs black holes as galactic “ engines ”