December 12, 2022 updates Posted on December 12, 2022December 12, 2022 by Doug Loss Analysis of Proposed Active Radiation Shielding Design Concept for Spacecraft https://repository.lib.fit.edu/handle/11141/3598 Conditions for Convergent Migration of N-Planet Systems https://link.springer.com/article/10.1007/s10569-022-10113-4 CHEOPS finds KELT-1b darker than expected in visible light – Discrepancy between the CHEOPS and TESS eclipse depths https://www.aanda.org/articles/aa/full_html/2022/12/aa44117-22/aa44117-22.html Transit Duration and Timing Variations from Binary Planets https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac3604/6886562 The Dust Cycle on Mars at Different Orbital Distances from the Sun: An Investigation of the Impact of Radiatively Active Dust on Land Planet Climate https://iopscience.iop.org/article/10.3847/1538-4357/ac9481 How Thin and Efficient Can a Metasurface Reflector Be? Universal Bounds on Reflection for Any Direction and Polarization https://onlinelibrary.wiley.com/doi/10.1002/adom.202201782 Surface Biosignature Detection From Exoplanet Proxima Centauri bhttps://www.researchgate.net/publication/366157647_Surface_Biosignature_Detection_From_Exoplanet_Proxima_Centauri_b Orbits of the TOI-1338 and TIC-172900988 systems https://arxiv.org/abs/2212.05016 GCM Constraints on the Detectability of the CO2-CH4 Biosignature Pair on TRAPPIST-1e with JWST https://arxiv.org/abs/2212.05052 A superconducting nanowire photon number resolving four-quadrant detector-based Gigabit deep-space laser communication receiver prototype https://arxiv.org/abs/2212.04927