February 25, 2021 updates Posted on February 25, 2021 by Doug Loss Finding Signs of Life in Transit: High-resolution Transmission Spectra of Earth-like Planets around FGKM Host Stars https://arxiv.org/abs/2102.12011 On the stellar clustering and architecture of planetary systems https://arxiv.org/abs/2102.12346 The Chemical link between stars and their rocky planets https://arxiv.org/abs/2102.12444