The Universe in Bite-sized Chunks

Each civilization had its own constellations, from the Australian Aborigines and the Chinese, to the Alaskan Inuit and the Incas. But the eruption of the scientific revolution in Europe led to the adoption of the Greco-Roman constellations as the official global standard. They have changed and been chiselled many times over the centuries, but in 1922 the International Astronomical Union (IAU) officially fixed them in perpetuity.