November 18, 2020 updates Posted on November 18, 2020 by Doug Loss Oort cloud Ecology II: Extra-solar Oort clouds and the origin of asteroidal interlopers https://arxiv.org/abs/2011.08257 Influence of a Galactic Gamma-Ray Burst on Ocean Plankton https://arxiv.org/abs/2011.08433 Kepler-90: Giant transit-timing variations reveal a super-puff https://arxiv.org/abs/2011.08515 Hubble WFC3 Spectroscopy of the Habitable-zone Super-Earth LHS 1140 b https://arxiv.org/abs/2011.08815