The Constellations Glow-In-The-Dark Star Map (Northern Hemisphere) A glow-in-the-dark map showing the major constellations visible year-round from North America, Europe, and Asia Glows for many hours after exposure to lamp light Constellation lines disappear in the dark while the stars and Milky Way shine 24 x 28.5 inches; made in the USA. Comes rolled in a heavy-duty tube. Put over a bed or on a wall; great as a night light and educational tool