February 22, 2021 updates Posted on February 22, 2021 by Doug Loss On Opening the Gate to the Stars and the Drake Equation https://www.scirp.org/journal/paperinformation.aspx?paperid=106947 Evolution of Earth-like extended exospheres orbiting solar-like stars https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab492/6146082 Which Jurisdiction for Private In-space Assembled Autonomous Platforms? https://www.sciencedirect.com/science/article/abs/pii/S0265964621000059 The Physics of Falling Raindrops in Diverse Planetary Atmospheres https://arxiv.org/abs/2102.09570