SPACE COLONIES AS IMAGINED BY NASA IN THE 1970S

http://amorq.com/article/2962/space-colonies-as-imagined-by-nasa-in-the-1970sand-today?fbclid=IwAR2A0n7KnphXxfKSlN3laFEk0vjk1WVNdBuxyFFuvgghc_4V2uye2S91mTs

NASA’s innocently named “summer studies” were anything but. Over the course of ten weeks in the summer of 1975, the project had one goal: to craft a future that would send humanity beyond its home planet.