From left, Jane Poynter, Linda Leigh, Mark Van Thillo, Taber MacCallum, Roy Walford (in front), Abigail Alling, Sally Silverstone and Bernd Zabel in "Spaceship Earth." MUST CREDIT: Neon When the eight "Biospherians" entered Biosphere 2 in 1991, they believed they were setting off on an adventurous two-year experiment to determine what life would be like inside a biosphere—a self-sustained, man-made replication of some of Earth's biomes—should we ever choose to build one on another planetary body as part of our collective expanse into space.
Spaceship Earth
Spaceship Earth
Spaceship Earth
From left, Jane Poynter, Linda Leigh, Mark Van Thillo, Taber MacCallum, Roy Walford (in front), Abigail Alling, Sally Silverstone and Bernd Zabel in "Spaceship Earth." MUST CREDIT: Neon When the eight "Biospherians" entered Biosphere 2 in 1991, they believed they were setting off on an adventurous two-year experiment to determine what life would be like inside a biosphere—a self-sustained, man-made replication of some of Earth's biomes—should we ever choose to build one on another planetary body as part of our collective expanse into space.