We now know exactly how much radiation astronauts will face on the moon

We finally know what kind of radiation environment future moonwalkers will be stepping into.

Astronauts hopping about on the lunar surface will soak up about 60 microsieverts of radiation per hour, a new study reports. That’s 5 to 10 times higher than the rate experienced on a trans-Atlantic passenger flight and about 200 times what we get on Earth’s surface, study team members said.

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