Ad Infinitum - Moon 2090, mid-dismantling (click image for better quality)4yr ⋅ ardcernius ⋅ r/worldbuilding
The Mountains of the Void, one of the greatest O'Neil cylinders of late Sol4yr ⋅ ardcernius ⋅ r/worldbuilding
An ECC system's main ecliptic, a typical K2 civilisation in the Milky Way4yr ⋅ ardcernius ⋅ r/worldbuilding
2051 - a survey conducted over the topic of immortality therapy legalization in the New European Union6yr ⋅ ardcernius ⋅ r/worldbuilding
The Grey Hawk, a Chinese generation ship 443 lightyears away from Earth.6yr ⋅ ardcernius ⋅ r/worldbuilding
Symbol of the Ecumene, the largest biological empire within the Milky Way6yr ⋅ ardcernius ⋅ r/worldbuilding
