Affiliation: | 1. Institute for Planetology, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany;2. German Aerospace Center (DLR), Institute of Planetary Research, Rutherfordstrasse 2, 12489 Berlin, Germany;3. Instituto di Astrofisica Spaziale e Fisica Cosmica, Rome, Italy;4. LESIA, Observatoire de Paris, CNRS, UPMC, Universite Paris-Diderot, Meudon, France |