February 6, 2019 updates Posted on February 6, 2019June 28, 2020 by Doug Loss Occurrence Rates of Planets orbiting FGK Stars: Combining Kepler DR25, Gaia DR2 and Bayesian Inference https://arxiv.org/abs/1902.01417 The Ability of Significant Tidal Stress to Initiate Plate Tectonics https://arxiv.org/abs/1711.09898