Hacker News
- Space Colony Art from the 1970s http://settlement.arc.nasa.gov/70sArtHiRes/70sArt/art.html 57 comments
- Space Stations as envisioned in the in 1970s. http://settlement.arc.nasa.gov/70sarthires/70sart/art.html 6 comments space
- 1970's residential space station http://settlement.arc.nasa.gov/70sart/ac75-1086-1f.jpeg 9 comments reddit.com
- Space colony artwork from artists hired by NASA in the 1970s http://settlement.arc.nasa.gov/70sart/art.html 25 comments science
- There Ain't No Graceful Way http://settlement.arc.nasa.gov/coevolutionbook/space.html#there%20ain%27t%20no%20graceful%20way 4 comments science
