Hybrid life support system Photobioreactor (PBR) on the ISS

From carbon dioxide to oxygen For astronauts to survive in space, the resources necessary for life have to be provided. Conventional life support systems use physical and chemical processes for this purpose, and are dependent on regular resupply. However, due to the fact that astronauts cannot carry unlimited supplies during long-term exploration missions, the resource cycle must be closed. https://www.dlr.de/en/horizons

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