alexa Space Radiation

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Space Radiation

In recent years there has been much more increase in the air traffic and space expeditions. However, the terrestrial space is not as safe as the EarthÂ’s surface or the atmosphere surrounding the planet Earth due to presence of high-energy particles and radiations. There is some background radiation on the surface or in its surrounding atmosphere too but it is less harmful and generally much less than the limit (prescribed by International Commission for Radiation Protection (ICRP) and other regulatory authorities such as NCRP) as the EarthÂ’s atmosphere acts as a natural radiation shield. Not only aircrew and space-crew but the frequent flyer passengers need to be protected from such hazardous radiations and therefore continuous radiation monitoring is necessary so that the total dose per annum does not exceed the prescribed limit . There had been many expeditions in the space where the radiation dosimetry was done extensively, e.g. MATROSHKA-r, FOTON-M2 Satellite, MIR space station and the International Space Station (ISS) and many more There are also good reviews on the work could be found in the literature According to the National Council on Radiation Protection and Measurements (NCRP) recommendation No. 132 , 10 years career limits for stochastic effects (based on 3% excess lifetime risk of cancer mortality) range from 0.4 to 3.0 Sv, depending on the gender and age.
 
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