- At 50 kilometers above its surface, Venus offers one atmosphere of pressure and only slightly lower gravity than Earth
- The amount of radiation an astronaut would be exposed to in Venus’s atmosphere would be “about the same as if you were in Canada
- On Mars, unshielded astronauts would be exposed to about 0.67 millisieverts per day, which is 40 times as much as on Earth
NASA Study Proposes Airships, Cloud Cities for Venus Exploration
12. 22. 14 by Alex Klokus