March 8, 2021 updates Posted on March 8, 2021 by Doug Loss Giant Magellan Telescope project casts sixth mirror https://www.space.com/giant-magellan-telescope-6th-mirror-casting Determination of stellar parameters for Ariel targets: a comparison analysis between different spectroscopic methods https://link.springer.com/article/10.1007/s10686-020-09695-4 The contribution of water radiolysis to marine sedimentary life https://www.nature.com/articles/s41467-021-21218-z Revisiting the Kepler field with TESS: Improved ephemerides using TESS 2min data https://arxiv.org/abs/2103.03259 Interstellar Objects in the Solar System: 1. Isotropic Kinematics from the Gaia Early Data Release 3 https://arxiv.org/abs/2103.03289 On the Detection of Habitable Trojan Planets in the Kepler Circumbinary Systems https://arxiv.org/abs/2103.03455