June 30, 2021 updates Posted on June 30, 2021 by Doug Loss Conceptual discussion around the notion of the human being as an inter and multiplanetary species https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/abs/conceptual-discussion-around-the-notion-of-the-human-being-as-an-inter-and-multiplanetary-species/15B38A98CE1C27A58D4AE41778B91054 Cometary Panspermia — Overcoming Cultural Constraints https://www.worldscientific.com/doi/abs/10.1142/S266133952130001X Metastable Helium Absorptions with 3D Hydrodynamics and Self-consistent Photochemistry. I. WASP-69b, Dimensionality, X-Ray and UV Flux Level, Spectral Types, and Flares https://iopscience.iop.org/article/10.3847/1538-4357/abf1ee/meta Self-stabilizing curved metasurfaces as a sail for light-propelled spacecrafts https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-29-14-21562 The CARMENES search for exoplanets around M dwarfs – Two terrestrial planets orbiting G 264–012 and one terrestrial planet orbiting Gl 393 https://www.aanda.org/articles/aa/full_html/2021/06/aa40633-21/aa40633-21.html The History and Origins of Directed Panspermia https://iopscience.iop.org/article/10.3847/2515-5172/ac0f5a Metalaw – What is it good for? https://www.sciencedirect.com/science/article/abs/pii/S0094576521003362 A Pilot Radio Search for Magnetic Activity in Directly Imaged Exoplanets https://arxiv.org/abs/2106.14994 A Dyson Sphere around a black hole https://arxiv.org/abs/2106.15181 GMRT observations of the exoplanetary systems τ Boötis and 55 Cancri https://arxiv.org/abs/2106.15246 An inventory of atomic species in the atmosphere of WASP-121b using UVES high-resolution spectroscopy https://arxiv.org/abs/2106.15394