February 20, 2020 updates Posted on February 20, 2020June 28, 2020 by Doug Loss Architecture of three-planet systems predicted from the observed protoplanetary disk of HL Tau https://arxiv.org/abs/2002.08036 The Stellar Variability Noise Floor for Transiting Exoplanet Photometry with PLATO https://arxiv.org/abs/2002.08072 The role of disc torques in forming resonant planetary systems https://arxiv.org/abs/2002.08077 On the Likelihood of Observing Extragalactic Civilizations: Predictions from the Self-Indication Assumption https://arxiv.org/abs/2002.08194