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Bockelée-Morvan, D. (author), Lellouch, E. (author), Poch, O. (author), Quirico, E. (author), Cazaux, S.M. (author), de Pater, I. (author), Fouchet, T. (author), Fry, P. M. (author), Rodriguez-Ovalle, P. (author)Context. We present the first spectroscopic observations of Ganymede by the James Webb Space Telescope undertaken in August 2022 as part of the proposal "ERS observations of the Jovian system as a demonstration of JWST's capabilities for Solar System science". Aims. We aimed to investigate the composition and thermal properties of the surface...journal article 2024
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Fayolle-Chambe, M.S. (author), Quirico, E. (author), Schmitt, B. (author), Jovanovic, L. (author), Gautier, T. (author), Carrasco, N. (author), Grundy, W. (author), Vuitton, V. (author), Poch, O. (author), Protopapa, Silvia (author)Pluto's fly-by by the New Horizons spacecraft in July 2015 has revealed a dark reddish equatorial region, named Cthulhu, covered by a dark, non-icy material whose origin and composition have yet to be determined. It has been suggested that this material could form from the sedimentation of photochemical aerosols, originating from dissociation...journal article 2021