Space: Science & Technology / 2021 / Article / Fig 5

Review Article

Biosphere 2’s Lessons about Living on Earth and in Space

Figure 5

A feast day inside Biosphere 2 as the biospherian crew gather to celebrate and eat food grown in the intensive agricultural biome. Since the farm was inside a tightly sealed and recycling system, no toxic chemicals could be used, irrigation and wastewater were recycled, year-round harvests made it one of the world’s most productive half acres (0.2 ha) [10, 56]. The low-calorie, high nutrition biospherian diet was also intensively studied for its health impacts [57].