June 26, 2019 updates Posted on June 26, 2019June 28, 2020 by Doug Loss On Alien Worlds, Extraterrestrials Could Be Spewing a Toxic, Smelly Gas. That’s How We Could Find Them. https://www.livescience.com/65791-alien-life-may-spew-toxic-gas.html Modelling galactic settlement https://phys.org/news/2019-06-galactic-settlement.html 10th Global Trajectory Optimisation Competition https://gtocx.jpl.nasa.gov/gtocx/ Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M Dwarf System at 6.9 Parsecs https://arxiv.org/abs/1906.10147 Thermal Tides in Rotating Hot Jupiters https://arxiv.org/abs/1906.10330 Atmospheric Evolution on Low-Gravity Waterworlds https://arxiv.org/abs/1906.10561 Galactic Tide and Local Stellar Perturbations on the Oort Cloud: Creation of Interstellar Comets https://arxiv.org/abs/1906.10617