350K views · 8K reactions |  350 years ago today on 22 June 1675, a...

The Royal Observatory in Greenwich is the historic home of British astronomy, Greenwich Mean Time and the world-famous Meridian Line. Established in the 17th century, it was from here that the great scientists of the time precisely mapped the stars to help navigate at sea. Today, you can stand aside the Meridian Line with one foot in the eastern hemisphere and one in the west and marvel at the Great Equatorial Telescope, one of the world’s largest historic telescopes before strolling through Gre

Enjoy learning about space and astronomy? Visit the Royal Observatory in Greenwich and tour the universe at London's only Planetarium. | Royal Museums Greenwich

19K views · 122 reactions | Visit the Royal Observatory and straddle the eastern and western hemispheres of the globe | Royal Museums Greenwich | Facebook

Learn how John Harrison became a world-famous clock maker who helped to solve the problem of finding longitude at sea with the H4 pocket watch. | Royal Museums Greenwich

🎥 Discover how time and trains changed the world ... ⏰ 🚂 This year marks 350 years of the Royal Observatory Greenwich and 200 years of the modern railway in Britain. We took a step back in time to learn about the railway and the Royal Observatory’s roles in spreading Greenwich Mean Time across the country, and their sometimes tumultuous relationship, which led to a railway tunnel under Blackheath. Royal Museums Greenwich #RoyalMuseumsGreenwich #GreenwichObservatory #RailwayHistory #GMT #Railwa

🕰️ British Science Week kicked off yesterday, and with this year’s theme being ‘Time’, where better to get involved than the home of Greenwich Mean Time - the Royal Observatory? We’ve got an exciting array of events happening themed around time from now until 17 March including workshops, talks, tours, craft sessions and more. 🔴 To celebrate this exciting week in STEM, we’re taking a closer look at the striking red time ball on top of the Royal Observatory’s Flamsteed House. Our Curator of Tim