Astronaut Alexander Gerst of ESA (European Space Agency) checks a culture bag for the Space Algae experiment that is exploring the potential of cultivating algae for recycling carbon dioxide and providing food for crew members on long space voyages.
iss056e098238 (July 23, 2018) — Astronaut Alexander Gerst of ESA (European Space Agency) checks a culture bag for the Space Algae experiment that is exploring the potential of cultivating algae for recycling carbon dioxide and providing food for crew members on long space voyages. The culture bags are placed in the VEGGIE facility to promote growth over a few weeks with the samples returned to Earth for analysis.