September 13, 2019 updates Posted on September 13, 2019June 28, 2020 by Doug Loss Newly Discovered Comet Is Likely Interstellar Visitor https://www.space.com/possible-interstellar-comet-identified.html MPEC 2019-R106 : Comet C/2019 Q4 (Borisov) https://minorplanetcenter.net/mpec/K19/K19RA6.html Interstellar comet 2I/Borisov https://arxiv.org/abs/1909.05851 Fast and precise light curve model for transiting exoplanets with rings https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stz2556/5568385 Radial velocity confirmation of K2-100b: a young, highly irradiated, and low density transiting hot Neptune https://arxiv.org/abs/1909.05252 An Integrable Model for the Dynamics of Planetary Mean Motion Resonances https://arxiv.org/abs/1909.05264