Planetariums to explore in United Kingdom
The United Kingdom consists of four constituent countries: England, Scotland, Wales, and Northern Ireland. It is the sixth-largest economy by nominal GDP and ninth-largest economy by purchasing power parity. It has a high-income economy and has a very high Human Development Index rating, ranking 14th in the world. It was the world's first industrialised country and the world's foremost power during the 19th and early 20th centuries.
the observatory played a major role in the history of astronomy and navigation, and because the prime meridian passes through it, it gave its name to Greenwich Mean Time. The scientific work of the observatory was moved elsewhere in the first half of 20th century and now it functions almost exclusively as a museum.
