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Radiation Amount for Cosmonauts Calculated
22.10.2014 15:40
Radiation Amount for Cosmonauts Calculated

Results of the "Matreshka-R" experiment demonstrated that internal organs of the cosmonauts receive much less radiation, which was previously believed.

      This fact is very important for planning distant flights and means that we can get farther and fly longer. However, we should mention that radiation doses are quite high, and we still need to know how to reduce them in order to keep cosmonauts healthy.

      The "Matreshka-R" experiment started in 2004, when special "fanthoms" arrived at the International Space Station. These polyurethane spheres were full of various sensors for ionising radiation. Polyurethane interacts with radiation the same way human bodies do, that is why these spheres help measuring radiation dose affecting vital human organs - gastrointestinal tract, blood system, central nervous system.

      The sphere was put into outer space and then returned to the ISS. The results showed that the amount of radiation received by the "inner organs" of the sphere was 15% lower in outer space and 50% lower inside the ISS, than the sensor on the cosmonaut's chest showed respectively.






Author: Anna Kizilova


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