August 4, 2021 updates Posted on August 4, 2021 by Doug Loss The Alien Communication Handbook https://www.springer.com/gp/book/9783030748449 Space and Society https://www.springer.com/series/11929 Understanding the Diversity of Planetary Atmospheres https://www.springer.com/gp/book/9789402421255 Dynamics of Colombo’s Top: Tidal Dissipation and Resonance Capture, With Applications to Oblique Super-Earths, Ultra-Short-Period Planets and Inspiraling Hot Jupiters https://arxiv.org/abs/2108.01082 Search for Galactic Civilizations Using Historical Supernovae https://arxiv.org/abs/2108.01173 Prospects for detecting exoplanets around double white dwarfs with LISA and Taiji https://arxiv.org/abs/2108.01357