51.1 MB (3.6 MB compressed)
5163 x 3456 pixels
43.7 x 29.2 cm ⏐ 17.2 x 11.5 in (300dpi)
MARK WILLIAMSON / SCIENCE PHOTO LIBRARY MARK WILLIAMSON / SCIENCE PHOTO LIBRARY
Needle-shaped mineral on display at Biosphere 2. 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).
Model release not required. Property release not required.