In situ measurement of atmospheric krypton and xenon on Mars with 1 Mars

Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, 9 MD 20771, USA. 10 Universities Space Research Association (USRA), Columbia, MD USA 11 CRESST, UMBC, NASA GSFC, Greenbelt, MD 20771 USA 12 University of Minnesota, Minneapolis, MN 55455, USA 13 The Open University, Department for Environment, Earth and Ecosystems, Walton Hall, 14 Milton Keynes MK6 3AQ, United Kingdom. 15 Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI 16 48109-2143, USA. 17 XI-3, ARES, NASA/JSC, Houston, TX 770 58 USA 18 Concordia University, Moorhead, MN 56562 USA 19 University of Hawaii, Honolulu, HI 96822 USA 20 Los Alamos National Laboratory, Los Alamos NM 87545 USA 21 22