[Evaluation of the radiation risk of determinate effects from space radiation in a piloted mission to Mars].
Solar cosmic rays (SCR) are one of the sources of radiation risk specific to space flights. On Earth, occupational exposure has a regular character and radiation risk is an attribute of nothing else but stochasticity of radiobiological effects. In space flight, SCR impart stochasticity to the radiation environment and, therefore, probability to all, including determinate, radiobiological effects. The most dangerous effect is radiation disease the dosimetric functional of which is an equivalent dose to the blood-forming organs. In addition, this radiation pathology is modulated by reparative processes in the blood-forming tissue which must be also taken into account during radiation risk evaluation. Using the speculated mission to Mars as an example, it was shown that radiation risk of determinate effects defined as probability of death by radiation disease in consequence of exposure to SCR can be comparable in value to the risk from stochastic effects.
Petrov
V M
VM
Vlasov
A G
AG
D003359:Cosmic Radiation / Q000009:adverse effects*; D006801:Humans; D018535:Mars; D015233:Models, Statistical; D011829:Radiation Dosage; D011832:Radiation Injuries / Q000209:etiology; D011834:Radiation Monitoring / Q000379:methods*; D012307:Risk Factors; D013026:Space Flight / Q000295:instrumentation*