October 26, 2021 updates Posted on October 26, 2021 by Doug Loss The Five Great Human Challenges to Make Space and Interstellar Travels https://blogdefalcoforado.wordpress.com/2021/09/24/the-five-great-human-challenges-to-make-space-and-interstellar-travels/ Our Place in the Universe – II https://link.springer.com/book/10.1007/978-3-030-80260-8 Directed Energy Accelerated Lightsails https://www.researchsquare.com/article/rs-943018/v1 A radio technosignature search towards Proxima Centauri resulting in a signal of interest https://www.nature.com/articles/s41550-021-01479-w Analysis of the Breakthrough Listen signal of interest blc1 with a technosignature verification framework https://www.nature.com/articles/s41550-021-01508-8 Ion-driven organic chemistry for Titan-like atmospheres: Implications for N-dominated super-Earth exoplanets https://www.aanda.org/articles/aa/full_html/2021/10/aa41328-21/aa41328-21.html Comparison of the mass distributions of short-period exoplanets detected by transit and RV methods https://academic.oup.com/mnrasl/advance-article-abstract/doi/10.1093/mnrasl/slab115/6409826 ExoFrontiers – Big questions in exoplanetary science https://iopscience.iop.org/book/978-0-7503-1472-5 TESS-Keck Survey. V. Twin Sub-Neptunes Transiting the Nearby G Star HD 63935 https://iopscience.iop.org/article/10.3847/1538-3881/ac18cb The First Interstellar Astronauts Will Not Be Human https://arxiv.org/abs/2110.13080 The Search for Deliberate Interstellar SETI Signals May Be Futile https://arxiv.org/abs/2110.11502 A model Earth-sized planet in the habitable zone of α Centauri A/B https://arxiv.org/abs/2110.12565 The LHS 1678 System: Two Earth-Sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc https://arxiv.org/abs/2110.12079 Dynamical tidal Love numbers of rapidly rotating planets and stars https://arxiv.org/abs/2110.12129