Bernal sphere
Esfera de Bernal
- Date
- 1929 · confidence high
- Place
- Cambridge, England, United Kingdom
- Credited to
- John Desmond Bernal
- Field
- Movement
What it is
A proposal for a permanent space habitat shaped as a hollow 16 km sphere for 20,000-30,000 residents, put forward by John Desmond Bernal.
What it led to
- Later space-habitat designs (O'Neill cylinder, Stanford torus)
- NASA studies on space colonisation in the 1970s
- A recurring reference in science fiction about space stations
- Debate on artificial gravity and closed ecosystems