[astro-ph.EP]. We report on imaging, spectroscopy, and narrowband photometry of interstellar comet 2I/Borisov obtained at Lowell Observatory from 2019 September 13 to December 16. We measured chemical composition on four […] The post The Highly Unusual Behavior And Chemical Composition Of Interstellar Comet 2I/Borisov appeared first on Astrobiology .