To celebrate the publication of the seventh and eighth books in our Royal Observatory Illuminates series, we're exploring moons and aurorae.
Royal Observatory astronomer Anna Ross takes us across the Universe to discover moons of all shapes and sizes, and fellow astronomer Bryony Lanigan explains the beautiful and elusive aurorae.
Watch the discussion
Image Banner: Glow of Vestrahorn by Ewa Jermakowicz, shortlisted in the Astronomy Photographer of the Year 2022 Aurorae category
