1. Institute of Geological Sciences, Planetary Sciences and Remote Sensing Freie Universität Berlin Berlin Germany
2. European Space Research and Technology Centre (ESA/ESTEC) Directorate of Human and Robotic Exploration Noordwijk The Netherlands
3. Department of Computer Science Aarhus University Aarhus Denmark
4. Institut für Planetologie Westfälische Wilhelms‐Universität Münster Münster Germany