FINAL – accepted by Science, 12 November 2013 Mars’ Surface Radiation Environment Measured with the Mars Science Laboratory’s Curiosity Rover Authors: Donald M. Hassler1*, Cary Zeitlin1, Robert F. Wimmer-Schweingruber2, Bent Ehresmann1, Scot Rafkin1, Jennifer L. Eigenbrode3, David E. Brinza4, Gerald Weigle5, Stephan Böttcher2, Eckart Böhm2, Soenke Burmeister2, Jingnan Guo2, Jan Köhler2, Cesar Martin2, Guenther Reitz6, Francis A. Cucinotta7, Myung-Hee Kim8, David Grinspoon9, Mark A. Bullock1, Arik Posner10, Javier Gómez-Elvira11, Ashwin Vasavada4, and John P. Grotzinger4, and the MSL Science Team12 Affiliations: 1. Southwest Research Institute, Boulder, CO, USA 2. Christian Albrechts University, Kiel, Germany 3. NASA Goddard Space Flight Center, Greenbelt, MD, USA 4. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA 5. Southwest Research Institute, San Antonio, TX, USA 6. German Aerospace Center (DLR), Cologne, Germany 7. University of Nevada Las Vegas, Las Vegas, NV, USA 8. Universities Space Research Association, Houston, TX, USA 9. Denver Museum of Nature & Science, Denver, CO, USA 10. NASA Headquarters, Washington, DC, USA 11. Centro de Astrobiología (INTA-CSIC), Madrid, Spain 12. See Supplemental Material * Email:
[email protected] 2 Abstract The Radiation Assessment Detector (RAD) on the Mars Science Laboratory’s Curiosity rover began making detailed measurements of the cosmic ray and energetic particle radiation environment on the surface of Mars on 7 August 2012. We report and discuss measurements