Spectral determination of the colour and vertical structure of dark spots in Neptune’s atmosphere
Nature Astronomy, Published online: 24 August 2023; doi:10.1038/s41550-023-02047-0 The visible–near-infrared spectrum of the dark spot that appeared on Neptune in 2018 indicates the presence of material that makes the aerosol layer at 5 bar darker at visible wavelengths. Such material can