The old royal observatory, located on the Greenwich meridian that serves as a reference for longitudes (longitude=0). Greenwich meridian time became the…
The old royal observatory.
Greenwich meridian time on a 24-hour clock.
The Meridian Building is where astronomers observed the stars using telescopes and accurate clocks.
The Meridian Building is where astronomers observed the stars using telescopes and accurate clocks.
The meridian.
William Herschel's telescope, originally a 12m-long reflecting telescope built for the discoverer of Uranus in 1781. The telescope was the largest in the world…
John Flamsteed's dining room (1676-1719). John Flamsteed was the first Astronomer Royal.
The octagon room, one of the few surviving interiors by Sir Christopher Wren, the architect of Saint Paul cathedral. The room was built for pompe, allowing…
Replica of the telescope used in the room until 1765.
Patrons of the observatory: king Charles II, the observatory's founder, and James II. The 3 Tompion clocks in the wood panels are original. The left 2 clocks…
Replica mechanism of the Tompion clocks.
Latitude is easy to compute at sea through simple observations, but longitude is impossible to compute. A prize was set in the 18th century to solve this…
Latitude is easy to compute at sea through simple observations, but longitude is impossible to compute. A prize was set in the 18th century to solve this…
Latitude is easy to compute at sea through simple observations, but longitude is impossible to compute. A prize was set in the 18th century to solve this…
