Large fraction of insoluble organic matter inside Ganymede and Titan

Christophe Sotin1, Bruno Reynard2, Francois J Guyot3 and Adrien Neri2, (1)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (2)Ecole Normale Supérieure Lyon, Laboratoire de Géologie de Lyon, Lyon, France, (3)Sorbonne Université - MNHN - CNRS - IMPMC, Paris, France