December 14, 2020 updates Posted on December 14, 2020 by Doug Loss Anomalous Sun Flyby of 1I/2017 U1 (`Oumuamua) https://www.mdpi.com/2075-4434/8/4/83 On the scaling and spacing of extra-solar multi-planet systems https://link.springer.com/article/10.1007/s10509-020-03899-y Hibernating lemurs may be the key to cryogenic sleep for human space travel https://theconversation.com/hibernating-lemurs-may-be-the-key-to-cryogenic-sleep-for-human-space-travel-148408 Bridge to the stars: A mission concept to an interstellar object https://www.sciencedirect.com/science/article/abs/pii/S0032063320303500 Stellar Winds Drive Strong Variations in Exoplanet Evaporative Outflows and Transit Absorption Signatures https://arxiv.org/abs/2012.05922 Internal Water Storage Capacity of terrestrial Planets and the Effect of Hydration on the M-R Relation https://arxiv.org/abs/2012.06455