Scott Kelly In-Flight

Can People Really Live Forever in Space? New NASA Study Looks to Answer that Question

While you might think that NASA and other space agencies have made great strides in investigating the final frontiers of space, it turns out that there are far too many limitations for what humans are able to do. Astronauts and cosmonauts train for the better part of the lives, learning technical information and perfecting the physical attributes needed to live in space. But when it comes down to mission time, they only have a few months in space—at best. Considering that new missions to Mars will look towards taking human journeys far deeper into space than anyone has been before, NASA’s new experiment is looking into how long exposure to zero-gravity will affect humans. And they’re using a familiar method of testing their hypotheses—twins.
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