Royal Observatory Greenwich

Whether it's observing the stars, standing astride the Prime Meridian or marvelling at John Harrison's timepieces, the Royal Observatory Greenwich provides a treasure trove of fascinating information. Read all about the history of space, time and navigation, plus find out more about the Insight Astronomy Photographer of the Year competition.

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The Astronomer Royal is the best-known and most prestigious post in astronomy with illustrious forebears such as Flamsteed and Halley.

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From when it was founded to how it became the home of Greenwich Mean Time (GMT), find out the essentials about the Royal Observatory Greenwich.

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In 1894 international terrorism made its UK debut just outside the Royal Observatory. It created a gory mess and an enduring mystery.

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Curator of the Royal Observatory, Louise Devoy, looks at Pepys's links to our site here in Greenwich.

Sir Christopher Wren

Best known for designing St. Paul's Cathedral, Christopher Wren's two loves of astronomy and architecture were combined when he worked on the Royal Observatory Greenwich.

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Curator Louise Devoy looks back to Margaret Maskelyne, daughter of the fith Astronomer Royal, who drew watercolours of both the Royal Observatory and the Queen's House.

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Edmond Halley set out to sea to use magnetism as a possible solution to the problem of determining longitude.

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As we prepare for the Transit of Mercury here at the Royal Observatory our curator, Louise Devoy, looks back to observations made here in 1753.

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Neither the smallest nor the largest objects in the known Universe escaped the brilliant Hooke’s attention.

Sir George Biddell Airy (1801-92)

Within the Caird Library’s collection of rare books is the personal library of the seventh Astronomer Royal, Sir George Biddell Airy. It features a plethora of scientific and astronomical research, as well as some of the Library’s most historically significant works such as Copernicus’s influential De revolutionibus orbium coelestium and Flamsteed’s controversial Historiae coelestis, which was published without his consent.

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