Astronauts making the journey to and from Mars would face many new - TopicsExpress

Astronauts making the journey to and from Mars would face many new and uncertain dangers. Fortunately, the Mars rover Curiosity has reduced uncertainty about one of them: radiation exposure. Measurements of radiation reaching the shielded interior of the spacecraft that carried Curiosity to Mars indicate that an astronaut on a yearlong round-trip would be exposed to around two-thirds of the career radiation limit that some space agencies set. Any time spent on the planet and outside the spacecraft would add more exposure.

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