Radiation is deadly in the Martian mission

The measurement results made by Mars self-propelled Curiosity show that astronauts face more dense radiation than previously thought, complicating the potential mission to the red planet.

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Astronauts heading to Mars will face dangerous amounts of cosmic radiation.

Photograph of Mars surface - (Photo: NASA / JPL-Caltech)

If previously, the US Aeronautics and Space Agency (NASA) predicted that the risk of fatal cancer would increase by 3% in Mars missions, the new parameter raising this level to 5%.

According to the Science report, the amount of exposure radiation during a round trip to Mars, estimated to be about one year, will amount to about 662 millisievert (1 sievert, 1,000 millisievert, related radiation). to the risk of cancer increased by 5%).

To calculate the amount of radiation that astronauts face when it comes to Mars, NASA experts have based on the results obtained from the Curiosity radiation assessment device, recorded during the journey. 253 days, starting from November 2011.

Under conditions of internal movement of a radiation shield, the device on Curiosity collected an average of 1.8 millisievert of radiation per day.

For ease of comparison, a person on the Earth's surface receives about 3 millisievert per year.