October 23, 2019 updates Posted on October 23, 2019June 28, 2020 by Doug Loss Simulation of an Antimatter Beam Core Engine for Space Travel https://www.scirp.org/journal/paperinformation.aspx?paperid=95763 ESA Voyage 2050 white paper — Faint objects in motion: the new frontier of high precision astrometry https://arxiv.org/abs/1910.08028 How Stellar Flares and Storms Regulate Atmospheric Losses from the TRAPPIST-1 Planets https://ui.adsabs.harvard.edu/abs/2019ESS…..431901D/abstract JexoSim: A time domain simulator of exoplanet transit spectroscopy with JWST https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stz2958/5602604 The Difficulty of Predicting Stellar Occultations by Interstellar Comet 2I/Borisov https://iopscience.iop.org/article/10.3847/2515-5172/ab4efb Searching for Planets Orbiting Alpha Centauri A with the James Webb Space Telescope https://arxiv.org/abs/1910.09709 Stellar Proton Event-induced surface radiation dose as a constraint on the habitability of terrestrial exoplanets https://arxiv.org/abs/1910.09871 The Kepler-11 system: evolution of the stellar high-energy emission and {initial planetary} atmospheric mass fractions https://arxiv.org/abs/1910.09877