April 22, 2021 updates Posted on April 22, 2021 by Doug Loss Rapid Response Missions to Explore Fast, High-Value Targets such as Interstellar Objects and Long Period Comets https://baas.aas.org/pub/2021n4i481/release/1 A transit survey to search for planets around hot subdwarfs: I. methods and performance tests on light curves from Kepler, K2, TESS, and CHEOPS https://arxiv.org/abs/2104.10462 The effect of core formation on surface composition and planetary habitability https://arxiv.org/abs/2104.10612