 He has appeared and has been a science advisor of several TV shows and documentaries linked to his work on the search for life in our universe and the study of Io's volcanism and asteroids.Marchis exploited the high-resolution capabilities offered by adaptive optics from groundbased telescope to survey hundreds of main belt asteroids and Trojans.Together with his team, they announced the discovery of the first triple asteroid system in August 2005 (87 Sylvia), and the first measurement of a Trojan bulk-density in February 2006 (617 Patroclus).