March 10, 2021 updates Posted on March 10, 2021 by Doug Loss A Stationary Drake Equation Distribution as a Balance of Birth-death Processes https://iopscience.iop.org/article/10.3847/2515-5172/abeb7b Spatially resolved spectroscopy across stellar surfaces. V. Observational prospects: Toward Earth-like exoplanet detection https://arxiv.org/abs/2103.04996 A Harsh Test of Far-Field Scrambling with the Habitable Zone Planet Finder and the Hobby Eberly Telescope https://arxiv.org/abs/2103.05148 Oumuamua Is Not a Probe Sent to our Solar System by an Alien Civilization https://arxiv.org/abs/2103.05559 Warp drive basics https://arxiv.org/abs/2103.05610