The authors cite a paper noting that any rotational speed of more than 4 RPM would also induce motion sickness. ![]() The second consideration focuses on rotational speed. That solution hasn't been tested, but most experts agree that it should alleviate most of the health problems associated with lack of gravity. This is a straightforward solution to providing astronauts with something equivalent to gravity. However, we do have something that approximates artificial gravity: centrifugal force via rotation. ![]() We don't have the technology (yet) to allow Captain Picard to stand on the bridge of the Enterprise like he was standing in an office building. Most of these problems are solved by a single elegant solution: artificial gravity. Long-term exposure to lack of gravity wreaks havoc on human bodies, causing everything from vision impairment to bone density loss. The paper's authors' explicitly list five that their space habitat design was trying to address: However, we are now one step closer to doing so with the release of a paper from a team at Texas A&M that describes a way to build an expandable space habitat of concentric cylinders that can house up to 8,000 people.Īny habitat that houses that many people will have to deal with some major downsides of living in space. Unfortunately, we are still a very long way from building anything like a fully sized habitat. These could be located anywhere in the solar system, could be of any size that material science allows, and have different characteristics, such as temperature, climate, gravity, and even lengths of day. ![]() The alternative is to build our own habitats.
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