The EChO science case G. Tinetti, P. Drossart, P. Eccleston, P. Hartogh, K. Isaak, M. Linder, C. Lovis, G. Micela, M. Ollivier, L. Puig, et al. Dec 1, 2015 Cite DOI Exoplanets Spectroscopy Atmospheric science IR astronomy Space missions Related Exoplanet atmospheres with EChO: spectral retrievals using EChOSim Instrumental methods for professional and amateur collaborations in planetary astronomy The transit spectra of Earth and Jupiter EChO. Exoplanet characterisation observatory Saturn's south polar vortex compared to other large vortices in the Solar System