3:30 PM - 3:45 PM
*Thomas Widemann1, Anne Grete Straume-Lindner2, Thomas Wagner3, Mitchell D. Schulte3, Thomas Voirin2 (1.LESIA, Observatoire de Paris, Meudon, France, 2.ESA, European Space Research and Technology Centre, Noordwijk, Netherlands, 3.Mary W. Jackson NASA Headquarters, Washington, DC, USA)