Related by context. Frequent words. (Click for all words.) 69 Observatoire de Paris 69 Credits ESA 65 Politecnico di Milano 63 CfA 63 Istituto 63 Pavia Italy 63 Universitat 61 STScI 61 Mario Negri 60 Rossella 60 Giovanni Battista 59 Rome Tor Vergata 59 Laboratoire de 59 Astrophysics Laboratory 59 Centre de Recherche 59 Technische 59 Institut für 58 Universität 58 UFZ 58 Galileo Avionica 57 Associazione 57 ETH Zürich 57 Ospedale 57 Fondazione 57 Ignazio 57 Astronomical Observatory 57 Roberto Vittori 56 Ecole Polytechnique Fédérale de 56 Joseph Fourier 56 Universidade de 56 Université Paris 56 Extraterrestrial Physics 56 Regio 56 National Astronomical Observatory 56 Credit NASA JPL 56 Ecole Polytechnique Federale de 56 ENEA 56 Rome La Sapienza 55 Institut d' 55 Pistoia 55 Gianpaolo 55 Universite 55 Gianluigi 55 Garching Germany 55 Paris Sud 55 Trento Italy 55 Cinzia 54 Astrophys 54 Katholieke Universiteit Leuven 54 Geophys 54 De Marchi 54 Deutsche Forschungsgemeinschaft 54 Institut Gustave Roussy 54 Institut Curie 54 Dipl 54 Paul Saffer 54 Pierluigi 54 ESA XMM Newton 54 Molecular Medicine MDC 54 Interferometer 54 Southern Observatory ESO 54 di Milano 53 Helmholtz Zentrum München 53 Nick Pisa 53 Cuore 53 Evry France 53 DESY 53 VIRTIS 53 Leiden University 53 Galilei 53 Biogeochemistry 53 GALEX 53 Konstanz Germany 53 INFN 53 Jülich 53 Carnegie Observatories 53 La Sapienza 53 Heinrich Heine University 53 Consorzio 53 Dosimetry 53 Paolo 53 Massimo 53 di Roma 52 Allesandro 52 Giunti 52 NOAO 52 Benedetta 52 Scanpix 52 et Marie Curie 52 Corresponding author 52 Maurizio 52 Gesellschaft für 52 INRIA 52 Giampiero 52 ITALIA 52 Vrije University 52 INSERM 52 Steward Observatory 52 Molecular Biology Laboratory EMBL 52 Ludwig Maximilian University 52 High Accuracy Radial