Overview of the Martian radiation environment experiment

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Overview of the Martian radiation environment experiment

Zeitlin, C. / Cleghorn, T. / Cucinotta, F. / Saganti, P. / Andersen, V. / Lee, K. / Pinsky, L. / Atwell, W. / Turner, R. / Badhwar, G.

Abstract

Space radiation presents a hazard to astronauts, particularly those journeying outside the protective influence of the geomagnetosphere. Crews on future missions to Mars will be exposed to the harsh radiation environment of deep space during the transit between Earth and Mars. Once on Mars, they will encounter radiation that is only slightly reduced, compared to free space, by the thin Martian atmosphere. NASA is obliged to minimize, where possible, the radiation exposures received by astronauts. Thus, as a precursor to eventual human exploration, it is necessary to measure the Martian radiation environment in detail. The MARIE experiment, aboard the 2001 Mars Odyssey spacecraft, is returning the first data that bear directly on this problem. Here we provide an overview of the experiment, including introductory material on space radiation and radiation dosimetry, a description of the detector, model predictions of the radiation environment at Mars, and preliminary dose-rate data obtained at Mars. c2003 COSPAR. Published by Elsevier Ltd. All rights reserved.

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Dokumentinformationen

Titel :

Overview of the Martian radiation environment experiment

Beteiligte:

Zeitlin, C. (Autor:in) / Cleghorn, T. (Autor:in) / Cucinotta, F. (Autor:in) / Saganti, P. (Autor:in) / Andersen, V. (Autor:in) / Lee, K. (Autor:in) / Pinsky, L. (Autor:in) / Atwell, W. (Autor:in) / Turner, R. (Autor:in) / Badhwar, G. (Autor:in)

Erschienen in:

Advances in space research : the official journal of the Committee on Space Research (COSPAR) ; 33 , 12

Erscheinungsdatum :

2004-01-01

Medientyp :

Sonstige

Format :

Keine Angabe

Sprache :

Englisch

Schlagwörter :

NASA Center JSC , Flight Experiment , NASA Program Biomedical Research and Countermeasures , Lunar And Planetary Science And Exploration , unmanned , Non-NASA Center , Mars Odyssey Project , long duration , NASA Discipline Radiation Health