Phosphine in the Venusian Atmosphere: A Strict Upper Limit from SOFIA GREAT Observations

M. A. Cordiner, G. L. Villanueva, H. Wiesemeyer +13

The presence of phosphine (PH${}_3$) in the atmosphere of Venus was reported by Greaves et al. (2021a), based on observations of the J=1-0 transition at 267 GHz using ground-based, m…