The History of the Royal Observatory Greenwich

Why does the Royal Observatory have the Prime Meridian? How long has the site been here? And why does the Observatory exist at all? To answer all these questions, and more, join Royal Observatory astronomers and curators and explore the history of the Royal Observatory Greenwich!
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The Royal Observatory is the home of Greenwich Mean Time (GMT), the historic Prime Meridian of the world and London’s Planetarium.
Our astronomy science learning and public engagement team is made of real astronomers who are also professional science communicators.

The Royal Observatory is part of Royal Museums Greenwich, along with the National Maritime Museum, Cutty Sark and Queen's House.

Website: https://www.rmg.co.uk/royalobservatory
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