Measurements of Energetic Particle Radiation in Transit to Mars on the Mars Science Laboratory

Author:

Zeitlin C.1,Hassler D. M.1,Cucinotta F. A.2,Ehresmann B.1,Wimmer-Schweingruber R. F.3,Brinza D. E.4,Kang S.4,Weigle G.5,Böttcher S.3,Böhm E.3,Burmeister S.3,Guo J.2,Köhler J.3,Martin C.3,Posner A.6,Rafkin S.1,Reitz G.7

Affiliation:

1. Southwest Research Institute, Boulder, CO, USA.

2. NASA Johnson Space Center, Houston, TX, USA.

3. Christian Albrechts University, Kiel, Germany.

4. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA.

5. Southwest Research Institute, San Antonio, TX, USA.

6. NASA Headquarters, Washington, DC, USA.

7. German Aerospace Center (DLR), Cologne, Germany.

Abstract

Going to Mars The Mars Science Laboratory spacecraft containing the Curiosity rover, was launched from Earth in November 2011 and arrived at Gale crater on Mars in August 2012. Zeitlin et al. (p. 1080 ) report measurements of the energetic particle radiation environment inside the spacecraft during its cruise to Mars, confirming the hazard likely to be posed by this radiation to astronauts on a future potential trip to Mars. Williams et al. (p. 1068 , see the Perspective by Jerolmack ) report the detection of sedimentary conglomerates (pebbles mixed with sand and turned to rock) at Gale crater. The rounding of the rocks suggests abrasion of the pebbles as they were transported by flowing water several kilometers or more from their source.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference32 articles.

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4. Recommendations of Dose Limits for Low Earth Orbit (NCRP Report No. 132 National Council on Radiation Protection and Measurements Bethesda MD 2000).

5. Information Needed to Make Radiation Protection Recommendations for Space Missions Beyond Low-Earth Orbit (NCRP Report No. 153 National Council on Radiation Protection and Measurements Bethesda MD 2006).

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