This graph of data from Herschel shows how the cool water vapor was detected. (Image credit: ESA/NASA/JPL-Caltech/Leiden Observatory)
Home This graph of data from Herschel shows how the cool water vapor was detected. (Image credit: ESA/NASA/JPL-Caltech/Leiden Observatory) This graph of data from Herschel shows how the cool water vapor was detected. (Image credit: ESA/NASA/JPL-Caltech/Leiden Observatory)