Lunar base woud have to be underground, due to the danger of high radiation on the moon

- NASA recently unveiled the plan for its Artemis program, a series of missions that would return astronauts to the moon.
- A new study found how much radiation astronauts are exposed to on the lunar surface: a daily dose about 200 times as great as on Earth.
- NASA wants to build a base on the moon, but the new data suggests it’d be safest to bury such a base under 2.5 feet of moon dirt to protect astronauts from radiation.
But a new study found that any astronauts who go there would face levels of radiation nearly three times as high as what the astronauts on the space station deal with. Long-term exposure to enough of this cosmic radiation poses significant health risks, including cataracts, cancer, and diseases of the central nervous system.
The new research, published last week in the journal Science, calculated for the first time what a moonwalker’s daily dose of radiation would be.
“If you think about people staying on the moon for extended periods of time — say, on a scientific research station for a year or two — then these levels start getting problematic,” Robert Wimmer-Schweingruber, an author of the new study, told Business Insider.
The solution, he said, would be to build any lunar base beneath the moon’s surface.
The first study to calculate radiation on the moon
Apollo astronauts carried radiation-measuring instruments on their missions in the 1960s and ’70s, but those dosimeters could tell scientists only the total amount of radiation the astronauts were exposed to throughout their time in space, from blasting off to landing, not just on the moon.
Astronauts on the moon, meanwhile, face a daily radiation level five to 10 times as high as transatlantic fliers, since the moon doesn’t have the shield that Earth does.
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