Quote:
Originally Posted by bevischief
Current astronauts have a higher chance of getting brain disorders like Alzheimer's.
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All that cosmic radiation, and it would be much much worse going to Mars than a short trip to the moon or staying at the ISS where Earth's magnetic field helps shield most of it. Until we can develop a material that can resist radiation, yet be both light and strong enough to get into space were pretty much sunk. IDK what they will use but NASA is throwing out the idea of polyethylene
http://science.nasa.gov/science-news...ticspaceships/