The first detections in the interstellar medium

Video explaining how gas and dust was first discovered voiced by Alfred Hopkinson. InterCat is a research Center at Aarhus University, Denmark and University of Leiden, The Netherlands. You can learn more at www.phys.au.dk/intercat/explore-intercat/ Twitter: @AIntercat #astro_intercat #astrochemistry #laboratoryastrophysics #scicomm #physics #interstellarmedium Video credits: images – Great Refractor of former AOP, Telegraph mountain, Potsdam, May 30, 2006 Photo: R., AIP; Orions belt, Martin Mutti, Astronomical Image Data Archive; Henry Draper’s 1880 photograph of the Orion Nebula; The Orion Nebula, C.R. O'Dell (Rice University), NASA