Maintaining its appealing style and presentation, Yearbook of Astronomy 2020 contains comprehensive jargon-free monthly sky notes and an authoritative set of sky charts to enable backyard astronomers and sky-gazers everywhere to plan their viewing of the year's eclipses, comets, meteor showers and minor planets as well as detailing the phases of the moon and visibility and locations of the planets throughout the year. To supplement all this is a variety of entertaining and informative articles, a feature for which the Yearbook of Astronomy is known.Among the wide-ranging articles for the 2020 edition are 200 Years of the Royal Astronomical Society, The Naming of Stars, Astronomical Sketching, Dark Matter and Galaxies, Eclipsing Binaries, The First Known Black Hole, and A Perspective on the Aboriginal View of the World. Yearbook of Astronomy made its first appearance way back in 1962, shortly after the dawning of the Space Age. Now well into its sixth decade of production, the Yearbook is rapidly heading for its Diamond Jubilee edition in 2022. It continues to be essential reading for anyone lured and fascinated by the magic of astronomy and has a desire to extend their knowledge of the Universe and its wonders. Yearbook of Astronomy is indeed an inspiration to amateur and professional astronomers alike, and warrants a place on the bookshelf of all sky-watchers and stargazers.