Biological Effects of Cosmic Radiation in Low-Earth Orbit

Details Biological Effects of Cosmic Radiation in Low-Earth Orbit Biological Effects of Cosmic Radiation in Low-Earth Orbit

Aug 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002madm.conf..125d&link_type=abstract

MATTER, ANTI-MATTER AND DARK MATTER. Proceedings of the Second International Workshop. Held 29-30 October 2001 in Trento, Italy.

Mathematics

Logic

Cosmic Radiation, Biological Effects

Scientific paper

Space exploration poses health hazards to the crews of manned missions. Exposure to cosmic radiation and loss of bone density are considered the two most important risk factors for long-term missions. Stochastic risk deriving from cosmic radiation exposure can be estimated by physical dosimeters, using appropriate conversion factors. Recent measurements of space radiation fluence and energy spectra will improve current estimates. Biological dosimetry can be used as a tool to determine the risk directly from biological damage. Chromosomal aberrations in astronauts' peripheral blood lymphocytes have been used as a biomarker of cancer risk. In this paper we will also discuss countermeasures to radiation damage, focusing on the problem of shielding in space.

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