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Temporal dynamics of the gut microbiota in people sharing a confined environment a 520-day ground-based space simulation MARS500

Published by National Aeronautics and Space Administration | National Aeronautics and Space Administration | Catalog Last Checked: January 31, 2026 at 08:19 PM | Dataset Last Updated: April 23, 2025
The MARS500 project the longest ground-based space simulation ever provided us with a unique opportunity to trace the crew microbiota over 520 days of isolated confinement such as that faced by astronauts in real long-term interplanetary space flights and after returning to regular life for a total of 2 years.

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