November 5, 2018 updates Posted on November 5, 2018June 28, 2020 by Doug Loss Solar sail H-reversal trajectory: A review of its advances and applications https://link.springer.com/article/10.1007/s42064-018-0032-y How life could help atmospheric tides slow a planet’s rotation https://www.astrobio.net/news-exclusive/how-life-could-help-atmospheric-tides-slow-a-planets-rotation/ Optical Detection of Lasers with Near-term Technology at Interstellar Distances http://iopscience.iop.org/article/10.3847/1538-4357/aae380 The HST PanCET Program: Hints of Na I & Evidence of a Cloudy Atmosphere for the Inflated Hot Jupiter WASP-52b https://arxiv.org/abs/1811.00935