May 20, 2021 updates Posted on May 20, 2021 by Doug Loss Gaseous atomic nickel in the coma of interstellar comet 2I/Borisov https://www.nature.com/articles/s41586-021-03485-4 TKS X: Confirmation of TOI-1444b and a Comparative Analysis of the Ultra-short-period Planets with Hot Neptunes https://arxiv.org/abs/2105.08844 Expecting the unexpected in the search for extraterrestrial life https://arxiv.org/abs/2105.09055 The Earth-like Galactic cosmic ray intensity in the habitable zone of the M dwarf GJ 436 https://arxiv.org/abs/2105.09251 Ultra Short Period Planets in K2 III: Neighbors are Common with 13 New Multi-Planet Systems and 10 Newly Validated Planets in Campaigns 0-8, 10 https://arxiv.org/abs/2011.11698
