February 21, 2020 updates Posted on February 21, 2020June 28, 2020 by Doug Loss Giant planet swaps during close stellar encounters https://arxiv.org/abs/2002.08366 Linking the formation and fate of exo-Kuiper belts within solar system analogues https://arxiv.org/abs/2002.08372 Detection of Na, K, and Hα absorption in the atmosphere of WASP-52b using ESPRESSO https://arxiv.org/abs/2002.08379 The Dark Planets of the WASP-47 Planetary System https://arxiv.org/abs/2002.08381 Stabilization of dayside surface liquid water via tropopause cold trapping on arid slowly rotating tidally locked planets https://arxiv.org/abs/2002.08600 Coherent radio emission from a quiescent red dwarf indicative of star-planet interaction https://arxiv.org/abs/2002.08727 Observational Constraints on the Great Filter https://arxiv.org/abs/2002.08776 A crucial test for astronomical spectrograph calibration with frequency combs https://arxiv.org/abs/2002.08868