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Category:Royal Observatory, Greenwich

English: The Royal Observatory, Greenwich, London is the home of the Prime Meridian and Greenwich Mean Time. – Founded by Charles II in 1675, its purpose was to make accurate measurements of the positions of the Sun, Moon and stars to help „find the so-much desired longitude of places for the perfecting of the art of navigation“. – The Observatory was constructed with economy in mind, as the King insisted that the whole building should not cost the crown more than 500 pounds. Building materials were taken from Tilbury Fort and the Tower of London, while old ships spars were brought in to support the long telescopes.
Royal Observatory 
Royal observatory greenwich.jpg
observatory in Greenwich, London, UK
Instance of astronomical observatory
Part of Maritime Greenwich
Location Greenwich, Royal Borough of Greenwich, United Kingdom
Has part
Heritage designation
  • Grade I listed building (8 June 1973)
  • scheduled monument
Inception 4 March 1675 (in Julian calendar)
official website
Authority control
VIAF ID: 126569499
GND ID: 1090509561
National Heritage List for England number: 1002036

51° 28′ 40.08″ N, 0° 00′ 05.04″ W

Blue pencil.svg


This category has the following 14 subcategories, out of 14 total.

Media in category "Royal Observatory, Greenwich"

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