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  2. Royal Observatory, Greenwich - Wikipedia

    en.wikipedia.org/wiki/Royal_Observatory,_Greenwich

    The Royal Observatory, Greenwich (ROG; [1] known as the Old Royal Observatory from 1957 to 1998, when the working Royal Greenwich Observatory, RGO, temporarily moved south from Greenwich to Herstmonceux) is an observatory situated on a hill in Greenwich Park in south east London, overlooking the River Thames to the north.

  3. List of museums in London - Wikipedia

    en.wikipedia.org/wiki/List_of_museums_in_London

    Greenwich: Greenwich: South East: Maritime: History of Britain at sea, includes maritime art, ship models and plans, scientific and navigational instruments, instruments for time-keeping and astronomy. Incorporates Greenwich Observatory and the Queen's House. National Portrait Gallery: Soho: Westminster: North: Art

  4. Shepherd Gate Clock - Wikipedia

    en.wikipedia.org/wiki/Shepherd_Gate_Clock

    The Shepherd Gate Clock at the entrance to the Royal Observatory, Greenwich. It shows Greenwich Mean Time all year round. The Shepherd Gate Clock ( 51°28′41″N 0°00′05″W  /  51.4779315°N 0.0014052°W  / 51.4779315; -0.0014052  ( Shepherd Gate Clock ) ) is mounted on the wall outside the gate of the Royal Observatory ...

  5. Time ball - Wikipedia

    en.wikipedia.org/wiki/Time_ball

    Royal Observatory, Greenwich, London.Installed in 1833, a time ball sits atop the Octagon Room. A time ball or timeball is a time-signalling device. It consists of a large, painted wooden or metal ball that is dropped at a predetermined time, principally to enable navigators aboard ships offshore to verify the setting of their marine chronometers.

  6. HM Nautical Almanac Office - Wikipedia

    en.wikipedia.org/wiki/HM_Nautical_Almanac_Office

    His Majesty's Nautical Almanac Office (HMNAO), now part of the United Kingdom Hydrographic Office, was established in 1832 on the site of the Royal Observatory, Greenwich (ROG), where The Nautical Almanac had been published since 1767. HMNAO produces astronomical data for a wide range of users, such as astronomers, mariners, aviators, surveyors ...

  7. Peter Harrison Planetarium - Wikipedia

    en.wikipedia.org/wiki/Peter_Harrison_Planetarium

    It was conceived under the then Director, Roy Clare CBE, as the centrepiece of the "Time and Space" project, a £17.7m re-development of the Royal Observatory, Greenwich, and funded with a £3.25m grant from the Peter Harrison Foundation. [1] [5]