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Gómez de Castro, A.I.; Appourchaux, T.; Barstow, M.A.; Barthelemy, M.; Baudin, F.; Benetti, S.; Blay, P.; Brosch, N.; Bunce, E.; de Martino, D.; et al. Building galaxies, stars, planets and the ingredients for life between the stars. The science behind the European Ultraviolet-Visible Observatory. Astrophys. Space Sci. 2014, 354, 229–246.2076-326310.3390/geosciences8120442https://hdl.handle.net/20.500.14352/19119The study and characterization of the exoplanets’ atmospheres and composition is in its infancy. The large facilities that will make feasible to image an exo-Earth are currently under study. This contribution to the special issue on “detection and characterization of extrasolar planets” is a summary on the current status of the design studies to build large space-based facilities working in the 100–3000 nm range for this purpose. The three basic designs: Fresnel imagers, starshades, and coronagraphs on large space telescopes are described. An outline of the pros and cons for each design is provided. The relevance of transmission spectroscopy to characterize exoplanets atmospheres is pointed out.engAtribución 3.0 Españajournal articlehttps://doi.org/10.3390/geosciences8120442https://www.mdpi.com/2076-3263/8/12/442open access523.4524.3-54ExoplanetsAstronomical instrumentationSpace astronomyExoplanetasAstronomíaFísica (Física)Astrofísica22 Física