April 19, 2021 updates Posted on April 19, 2021 by Doug Loss Configuration Selection and Analysis of a Superstructure Solar Sail https://it-in-industry.org/index.php/itii/article/view/471 Survival of soil microbial community exposed to hyper-gravity conditions https://www.researchsquare.com/article/rs-385552/v1 Photonic solution to phase sensing and control for light-based interstellar propulsion https://www.osapublishing.org/josab/fulltext.cfm?uri=josab-38-5-1477&id=450064 Neopanspermia – Evidence That Life Continuously Arrives at the Earth from Space http://isaac-scientific.com/4/2087/6/1/02/2021/AdAp.html Discovery of a directly imaged planet to the young solar analog YSES 2 https://www.aanda.org/articles/aa/full_html/2021/04/aa40508-21/aa40508-21.html Microalgae strategy in anoxic atmospheres with various CO2 concentrations – Environmental and (astro)biotechnological perspectives https://www.sciencedirect.com/science/article/abs/pii/S0098847221001040 Orbital stability of compact three-planet systems, I: Dependence of system lifetimes on initial orbital separations and longitudes https://www.sciencedirect.com/science/article/abs/pii/S0019103521001512 Circumbinary Habitable Zones in the Presence of a Giant Planet https://www.frontiersin.org/articles/10.3389/fspas.2021.640830/full Primary Velocity and Orbital Phase Effects on Planetary Detectability from Small Epoch Number Data Sets https://arxiv.org/abs/2104.07790 An Empirical Bayesian Approach to Limb-darkening in Modeling WASP-121b Transit Light Curves https://arxiv.org/abs/2104.07864 Shortest Microlensing Event with a Bound Planet: KMT-2016-BLG-2605 https://arxiv.org/abs/2104.07906