A Bernal Sphere. (if you say so)from the book Colonies in Space by T. A. Heppenheimer.With a name li
A Bernal Sphere. (if you say so)from the book Colonies in Space by T. A. Heppenheimer.With a name like Heppenheimer, it’s GOT to be good. -- source link
#retrofuture#retro future#future#space colonies