March 3, 2021 updates Posted on March 3, 2021 by Doug Loss The Future Of The Arecibo Observatory: The Next Generation Arecibo Telescope https://arxiv.org/abs/2103.01367 Implications of an improved water equation of state for water-rich planets https://arxiv.org/abs/2103.01410 An Earth-mass Planet in a Time of Covid-19: KMT-2020-BLG-0414Lb https://arxiv.org/abs/2103.01896