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Magnetic Attraction July 22, 2008

Posted by Nick Azer in Constellation, Helium-3, hoax theories, Lunar Reconaissance Orbiter, radiation, Vision for Space Exploration.
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One concern that gets voiced about lunar colonization is the levels of radiation colonists could be exposed to, and how much of a threat that is (and whether there is sufficient methods of protection against it).

“We really need to know more about the radiation environment on the Moon, especially if people will be staying there for more than just a few days.”
Harlan Spence, astronomy professor at Boston University

Mapping out and investigating the levels of radiation is one the central goals of NASA’s Lunar Reconnaissance Orbiter (LRO) mission, the first tentpole mission of the landmark Vision for Space Exploration/Constellation era.

Various remedies and shields have been suggested, including isolated magnetic fields (like Reiner Gamma, pictured above; these are speculated to be a result of crater- and other ejecta), spherical man-made shields (pictured below), and even the Earth itself.

I personally trust in human ingenuity to come up with something, and the lack of effects on the Apollo astronauts seems promising (though many seem to think that indicates the whole Apollo landing was actually a hoax). At the very least, the commercial motivation for a company to come up with something that could enable colonization (and therefore utilization of groundbreaking resources) could eventually (or very quickly) become too strong to be ignored.

To cap, here’s a segment on the subject from a NASA video (Destination Tomorrow), courtesy of Youtube:

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