January 15, 2020 updates Posted on January 15, 2020June 28, 2020 by Doug Loss Fundamental limits from chaos on instability time predictions in compact planetary systems https://arxiv.org/abs/2001.04606 Global Chemistry and Thermal Structure Models for the Hot Jupiter WASP-43b and Predictions for JWST https://arxiv.org/abs/2001.04759 Water production rates and activity of interstellar comet 2I/Borisov https://arxiv.org/abs/2001.04865 The high-energy environment and atmospheric escape of the mini-Neptune K2-18 b https://arxiv.org/abs/2001.04532