Evidence that Core-Powered Mass-Loss Dominates Over Photoevaporation in Shaping the Kepler Radius Valley

Travis A. Berger, Joshua E. Schlieder, Daniel Huber +1

The dearth of planets with sizes around 1.8 ${\mathrm{R}}_{\oplus }$ is a key demographic feature discovered by the $Kepler$ mission. Two theories have emerged as potential explanations…