Interplanetary and orbital space flights.

Radiation risk for astronauts (radiobiological rationale)

The book covers a fairly wide range of materials concerning the sources of cosmic rays affecting astronauts in the implementation of interplanetary and orbital space flight, the quantities of the doses, the reactions of individual systems and the whole organism of animals and humans, and changes its stability when the complex character of radiation exposure in space.

The results of a 14-year experiment on a large lot dogs with simulation values of the doses and nature of dose distribution in time, which will affect astronauts during the flight to Mars. The considered models of formation of radiation damage in the hematopoietic system and the level of the organism during long exposures with varying dose rate, and the model of radiation mortality rate of mammals, describing accelerated aging and the changing age-specific mortality rates in a dose-and dose rate radiation exposure.

The book presents the algorithms and results of calculations of the radiation risk in the process of interplanetary and orbital missions throughout the life of astronauts, as well as data on possible sacramentoa life expectancy. The new approaches to the regulation of radiation exposure and justifies the new lower acceptable dose to astronauts during flights and during the whole professional activity.

This book should be of great interest to academics, graduate students specializing in Biophysics, medical physics, scientific research Institute and KB space, aviation and defense profiles that are interested in Biophysics, radiobiology, space radiobiology, and would like to be aware of radiation danger for astronauts during orbital and interplanetary space flights. It may be useful to hygienists, environmentalists, dealing with the preservation of professional health workers of dangerous professions, which activity is connected with constant exposure to extreme factors, as well as for sociologists and journalists for proper understanding and media coverage of the real risks of existing adverse environmental and social factors.

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