January 24, 2022 Updates Posted on January 24, 2022 by Doug Loss The CARMENES search for exoplanets around M dwarfs – Diagnostic capabilities of strong K I lines for photosphere and chromosphere https://www.aanda.org/articles/aa/abs/2022/01/aa41733-21/aa41733-21.html Propellant-free attitude control of solar sails with variable-shape mechanisms https://www.sciencedirect.com/science/article/abs/pii/S0094576521006883 Astronomers may have found a huge moon around a Jupiter-like exoplanet https://www.sciencedirect.com/science/article/abs/pii/S0262407922000859 Super-Earths have life-friendly shields https://www.sciencedirect.com/science/article/abs/pii/S0262407922000951 The Scorpion Planet Survey: Wide-orbit Giant Planets Around Young A-type Stars https://iopscience.iop.org/article/10.3847/1538-3881/ac409d Prospects for water vapor detection in the atmospheres of temperate and arid rocky exoplanets around M-dwarf stars https://arxiv.org/abs/2201.08423 WASP-77 A b Formed Beyond Its Parent Protoplanetary Disk’s H2O Ice Line https://arxiv.org/abs/2201.08508 H2-dominated Atmosphere as an Indicator of Second-generation Rocky White Dwarf Exoplanets https://arxiv.org/abs/2201.08529 Detection of iron emission lines and a temperature inversion on the dayside of the ultra-hot Jupiter KELT-20b https://arxiv.org/abs/2201.08759 Effects of UV stellar spectral uncertainty on the chemistry of terrestrial atmospheres https://arxiv.org/abs/2201.08805 Rapid-then-slow migration reproduces mass distribution of TRAPPIST-1 system https://arxiv.org/abs/2201.08840