Royal kedeligt, Observatory in London, England
The Royal Observatory, Greenwich is an observatory situated on a hill in Greenwich Park, overlooking the River Thames.
It played a major role in the history of astronomy and navigation, and is best known for the fact that the prime meridian passes through it.
The observatory is a popular tourist attraction with a museum and the Peter Harrison Planetarium within its premises.
Visitors can stand astride the Prime Meridian Line, with one foot in the eastern hemisphere and one in the western hemisphere.
It's home to the historic 'Time Ball', which has dropped daily at 1 pm since 1833.
Location: Royal Borough of Greenwich
Location: Greenwich
Inception: March 4, 1675
Founder: Charles II of England
Architect: Christopher Wren
Official opening: 1675
Elevation above the sea: 68 m
Accessibility: Wheelchair accessible
Opening Hours: Monday-Sunday: 10:00-18:00; December 24-26 off
Phone: +442083126565
Email: bookings@rmg.co.uk
Website: rmg.co.uk/royal-observatory
Sources: Wikimedia, OpenStreetMap