
Image credit: NASA
Image source: National Archives

Image credit: NASA
Image source: National Archives

Image credit: NASA
Image source: National Archives

Image credit: TRW
Image credit: Mike Acs

Space Habitats (artists’ concepts)
Unmanned probe approaching Pluto. Probe is powered by thermionic radioisotope power generator. The laser beams for surface illumination, with optical sensors slaved to the beams. Other equipment comprises radiation counters as well as field, plasma and particle sensors.
Image credit: Krafft Ehricke Papers
Image source: NASM

Image credit: NASA JPL
Image source: NASA Images

Image credit: NASA ARC
Image source: NASA Images

Image credit: NASA
Image source: Internet Archive

Image credit: NASA
Image source: Internet Archive

Image credit: NASA
Image source: Mike Acs