Why astronauts practice spacewalks at the bottom of the ocean
In short: To prepare for the vacuum of space, ESA astronaut Andreas Mogensen goes underwater. This update explores how living in an undersea habitat simulates life on the International Space Station.
The NEEMO (NASA Extreme Environment Mission Operations) project uses an underwater base off the coast of Florida to train astronauts for long-duration missions. Because the environment mimics the isolation and constraints of a space station, it serves as a high-fidelity laboratory for technology development and scientific research.
During this specific mission, Mogensen and trainer Hervé Stevenin conducted 'Heads-Up' experiments. These include regular 'waterwalks' in full scuba gear to simulate the physical and psychological demands of extravehicular activities (spacewalks) in orbit.
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Sources
- Summary by Intellect · source: NEEMO 19: Mission day 4
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