ID: ESP_039701_1095, date: 14 January 2015, altitude: 247 km, https://uahirise.org/hipod/ESP_039701_1095 Credit NASA/JPL-Caltech/University of Arizona Gully and defrosting activity have been visible here along the edge of a dune field, along

Chemistry in Extreme Environments — ACS Central Science Molecular complexity in the interstellar medium (ISM) poses one of the most intriguing challenges in astrochemistry: how can chemical reactions operate efficiently

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The observed sources and data collected during the K2-18b observing campaign. (Left) The dates of the observations and the frequencies in which signals were detected. (Right) The location of the