December 22, 2020 updates Posted on December 22, 2020 by Doug Loss Models of Disability as Models of First Contact https://www.mdpi.com/2077-1444/11/12/676 Navigation Using Pulsars and Other Variable Celestial Sources https://onlinelibrary.wiley.com/doi/abs/10.1002/9781119458555.ch52 Persistence of flare-driven atmospheric chemistry on rocky habitable zone worlds https://www.nature.com/articles/s41550-020-01264-1 Determining the true mass of radial-velocity exoplanets with Gaia – Nine planet candidates in the brown dwarf or stellar regime and 27 confirmed planets https://www.aanda.org/articles/aa/full_html/2021/01/aa39168-20/aa39168-20.html Earth as a Proxy Exoplanet: Deconstructing and Reconstructing Spectrophotometric Light Curves https://arxiv.org/abs/2012.10556 Hydrodynamic Escape of Mineral Atmosphere from Hot Rocky Exoplanet. I. Model Description https://arxiv.org/abs/2012.10605 TESS Asteroseismology of α Mensae: Benchmark Ages for a G7 Dwarf and its M-dwarf Companion https://arxiv.org/abs/2012.10797 ogle-2017-blg-1049: another giant planet microlensing event https://arxiv.org/abs/2012.11080 Detectability of biosignatures on LHS 1140 b https://arxiv.org/abs/2012.11426