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May 31 2013

Spacecraft data nails down radiation risk for humans going to Mars


Astronauts travelling to Mars on any of the current space-flight vehicles would receive a dose of radiation higher than NASA standards permit, according to a study of the radiation environment inside the craft that carried the Curiosity rover to the planet.

The study, reported in Science1, is the first to use radiation data recorded by a robotic craft en route to Mars. It is also the first to rely on measurements from a radiation detector in space that has shielding similar to what might be used on missions carrying humans, says physicist Sheila Thibeault of NASA’s Langley Research Center in Virginia, who was not involved in the study.

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