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Royal Obervatory Greenwich

Royal Obervatory Greenwich
About

The Royal Observatory Greenwich, perched atop a hill in Greenwich Park, has played a monumental role in the history of astronomy and navigation. Established in 1675 by King Charles II, its primary purpose was to solve the problem of determining longitude at sea, a crucial need for safer navigation. The first Astronomer Royal, John Flamsteed, began his work here, and the observatory became a center for mapping the stars and understanding celestial movements. Designed by Sir Christopher Wren, Flamsteed House, the original part of the observatory, was Britain's first purpose-built scientific research facility. Over time, the observatory's significance grew, and it became the home of the Prime Meridian Line (Longitude 0°), dividing the eastern and western hemispheres. This led to the establishment of Greenwich Mean Time (GMT), the precursor to today's Coordinated Universal Time (UTC), which standardized time across the globe for navigation, trade, and travel. Visitors today can stand on the Prime Meridian, explore the historic Flamsteed House, and marvel at the Great Equatorial Telescope. The observatory also features a fascinating collection of clocks and astronomical instruments, showcasing the evolution of timekeeping and our understanding of the cosmos. The iconic Time Ball on top of Flamsteed House, which drops daily at 1 pm, served as one of the earliest public time signals.

London United Kingdom
Location

The Royal Observatory Greenwich is perched atop a hill within Greenwich Park, in the Royal Borough of Greenwich, south-east London. Its address is Blackheath Ave, London SE10 8XJ, UK. Its elevated position within the park offers panoramic views across the River Thames, the Isle of Dogs, and the cityscape of London. It's a prominent landmark visible from many points across the city. Getting to the Royal Observatory involves travelling to Greenwich Park. The closest train stations are Greenwich and Maze Hill, both offering scenic walks uphill through the park to reach the observatory. The DLR (Docklands Light Railway) also serves Greenwich station. Several bus routes run near the park entrances. Being located within Greenwich Park, the observatory is close to other significant attractions within the Greenwich World Heritage Site, including the National Maritime Museum, the Queen's House, and the Cutty Sark. The historic Greenwich town centre with its market and shops is also a short walk downhill. The Prime Meridian Line itself is a key locational feature, clearly marked within the observatory grounds.

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