Close-up of solar cells under test at Biosphere 2 (note colours caused by diffraction). Biosphere 2,near Tucson,Arizona,was developed in the late 1980s for research into how natural environments create habitable conditions for human sustainability ('biosphere 1' being the Earth). In the 1990s it explored the possible use of closed biospheres in space exploration (a group of 'biospherians' spent up to two years in a closed environment) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Williamson, Mark |
Taille de l’image : | 3456 px × 5163 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |