Hot Oxygen and Carbon Escape from the Early Atmosphere of Mars

Ute Amerstorfer, Austrian Academy of Sciences, Space Research Institute, Vienna, Austria, Hannes Gröller, University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States, Herbert Lichtenegger, Space Research Institute, Austrian Academy of Sciences, Graz, Austria, Helmut Lammer, IWF Institute for Space Research, Graz, Austria and Feng Tian, Tsinghua University, Beijing, China