March 29, 2021 updates Posted on March 29, 2021 by Doug Loss Precise radial velocities of giant stars – XV. Mysterious nearly periodic radial velocity variations in the eccentric binary ε Cygni https://www.aanda.org/articles/aa/abs/2021/03/aa40087-20/aa40087-20.html Simulation and analysis of the coherent-dispersion spectrometer for exoplanet detection https://academic.oup.com/mnras/article-abstract/503/2/3032/6196008 The “Breakthrough” Proposal for Laser-accelerated Spacecraft is not Feasible https://iopscience.iop.org/article/10.3847/2515-5172/abf124 A joint mind consideration of the Drake equation in the search for extraterrestrial intelligence https://www.sciencedirect.com/science/article/abs/pii/S0094576521001338 Assessment of Isoprene as a Possible Biosignature Gas in Exoplanets with Anoxic Atmospheres https://arxiv.org/abs/2103.14228 An exploration of model degeneracies with a unified phase curve retrieval analysis: The light and dark sides of WASP-43 b https://arxiv.org/abs/2103.14566