July 21, 2023 updates Posted on July 21, 2023July 21, 2023 by Doug Loss The quest for Magrathea planets – I. Formation of second-generation exoplanets around double white dwarfs https://www.aanda.org/articles/aa/full_html/2023/07/aa45827-22/aa45827-22.html Wapiti: A data-driven approach to correct for systematics in RV data – Application to SPIRou data of the planet-hosting M dwarf GJ 251 https://www.aanda.org/articles/aa/full_html/2023/07/aa46472-23/aa46472-23.html Discovery and characterisation of two Neptune-mass planets orbiting HD 212729 with TESS https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad2183/7227347 Classification of Trajectories in a Two-planet Exosystem Using the Generalized Three-body Problem https://iopscience.iop.org/article/10.3847/1538-4357/acd75f A Stability Timescale for Nonhierarchical Three-body Systems https://iopscience.iop.org/article/10.3847/1538-4357/acd782 Interstellar Probe: Science, Engineering, Logistic, Economic, and Social Factors https://sciendo.com/article/10.2478/arsa-2023-0003 Haze optical depth in exoplanet atmospheres varies with rotation rate: Implications for observations https://arxiv.org/abs/2307.10931 TESS discovery of a super-Earth orbiting the M dwarf star TOI-1680 https://arxiv.org/abs/2307.05368