We need a global composition map of Venus and orbital infrared spectroscopy is the way to get it

Jörn Helbert1, Melinda Darby Dyar2, Alessandro Maturilli1, Giulia Alemanno1, Indhu Varatharajan1 and Thomas Widemann3, (1)German Aerospace Center DLR Berlin, Berlin, Germany, (2)Mount Holyoke College, South Hadley, MA, United States, (3)Paris Observatory, Meudon, France