Why Does the Moon Change Shape Every Night? Moon Phases Explained

Why does the Moon change shape? It doesn't - half of it is always lit by the Sun. In this video, Curious Cosmos explains moon phases, waxing and waning, lunar eclipses, the Moon illusion, supermoons, blue moons, and how to read the Moon yourself. Chapters: The Moon doesn't make its own light, Waxing: new moon to first quarter, Full moon explained, Waning back to new moon, Lunar eclipses, Why we always see the same side, Tides, calendars and culture, Moon illusion, supermoons and blue moons, Apollo and Moon history, How to observe the Moon tonight. Subscribe to Curious Cosmos for clear space, history, geography, and how-things-work explainers.