May 22, 2023 Updates Posted on May 22, 2023 by Doug Loss Human Physiological Limitations to Long-Term Spaceflight and Living in Space https://www.ingentaconnect.com/contentone/asma/amhp/2023/00000094/00000006/art00008 Transfer from Lunar Gateway to Sun-Earth Halo Orbits Using Solar Sails https://arc.aiaa.org/doi/10.2514/1.A35559 Assessing Exoplanet Habitability through Data-driven Approaches: A Comprehensive Literature Review https://arxiv.org/abs/2305.11204 The 14 Her Planetary System: Companion Masses and Architecture from Radial Velocities and Astrometry https://arxiv.org/abs/2305.11753