Why do small stars have all the exoplanets?

Origins Seminar at the University of Arizona, Sept 27 2021. This talk covers three topics/papers: The demographics of exoplanets in relation to the masses and sizes of protoplanetary disks (Mulders et al. 2021a), The stellar mass dependence of disk gaps and exoplanets (van der Marel & Mulders 2021), and a pebble ...