December 2, 2021

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NASA wants to change the way it protects astronauts from radiation

4 min read



Astronauts face a constant specter of radiation, as particles streaming off the sun and high-energy cosmic rays constantly bombard their bodies. 

Left unchecked, radiation can trigger all sorts of health issues, most notably boosting an astronaut’s danger of developing cancer. So, when NASA plans missions, the agency uses a radiation exposure cap to determine how long astronauts can stay in space. But that cap isn’t equal for all astronauts, and now, independent experts are backing NASA’s effort to change it.



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