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Greenwich Park seen from the observatory. Items portrayed in this file depicts. Greenwich Park. ... coordinates of the point of view. 51°28'40.652"N, 0°0'3.172"W.
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.
The Greenwich meridian is a prime meridian, a geographical reference line that passes through the Royal Observatory, Greenwich, in London, England. [1] From 1884 to 1974, the Greenwich meridian was the international standard prime meridian, used worldwide for timekeeping and navigation.
Greenwich Park, Greenwich: Observatory: Mid 19th century: 8 June 1973 ... Geo-coordinates Entry number [note 3] Image; Charnel House to Church of St Nicholas Greenwich:
The Peter Harrison Planetarium is a 120-seat digital laser planetarium, situated in Greenwich Park, London and is part of the National Maritime Museum. It opened on 25 May 2007, [1] funded by the philanthropist Peter Harrison. [2]
At the latitude of the Royal Observatory, Greenwich the difference is 102 metres (335 ft). [ 1 ] [ 2 ] [ a ] It is the reference meridian of the Global Positioning System (GPS) operated by the United States Space Force , and of WGS 84 and its two formal versions, the ideal International Terrestrial Reference System (ITRS) and its realization ...
Nearby a major group of buildings within the park includes the former Royal Observatory, Greenwich; the Prime Meridian passes through this building. Greenwich Mean Time was at one time based on the time observations made at the Royal Greenwich Observatory, before being superseded by the closely related Coordinated Universal Time (UTC).
The WGS 84 meridian of zero longitude is the IERS Reference Meridian, [8] 5.3 arc seconds or 102 metres (335 ft) east of the Greenwich meridian at the latitude of the Royal Observatory. [ 9 ] [ 10 ] (This is related to the fact that the local gravity field at Greenwich does not point exactly through the Earth's center of mass, but rather ...