Royal Observatory - Royal Museums Greenwich
Learn what you could see in the night sky with no equipment from the Royal Observatory Greenwich; from galaxies and meteor showers to comets, star clusters, cloud formations and more
Plan your visit to the Royal Observatory
Enjoy free unlimited entry to the Royal Observatory and Peter Harrison Planetarium, Cutty Sark and exhibitions at the National Maritime Museum
Top things to do at the Royal Observatory
Learn all about Greenwich Mean Time (GMT) at the Royal Observatory, and discover how Greenwich came to be the home of time. Marvel at one of the UK's largest telescopes At over eight metres long and 71cm wide, the Great Equatorial Telescope is the largest of …
Stand on the Prime Meridian Line - Royal Museums Greenwich
Astronomers at the Royal Observatory took thousands of measurements to define the Prime Meridian and establish zero degrees longitude. In an age before smartphones and satellites, their work transformed how we explored our world.
History of the Royal Observatory - Royal Museums Greenwich
Find out more about the founding of the Royal Observatory, and how Greenwich came to be known as the 'Home of Time'
Tour the night sky LIVE - Royal Museums Greenwich
Take a whistle-stop tour of the night sky with Royal Observatory Greenwich astronomers. Watch real-time footage of Jupiter, Mars, the Moon and more this February!
Tickets & Prices - Royal Museums Greenwich
Book tickets for the Royal Observatory Greenwich, Cutty Sark, National Maritime Museum and Queen's House Royal Observatory Adult: £24 | Child: £12 | Under 4s FREE
Space & Astronomy Live Streams | Royal Observatory
Space Live broadcasts combine the best in telescope technology with expert commentary from Royal Observatory astronomers. Join our online stargazing events and discover the wonders of the night sky, with live footage from the Observatory's state-of-the-art Annie Maunder Astrographic Telescope.
350 years of the Royal Observatory - Royal Museums Greenwich
The Royal Observatory at Greenwich is the home of time and space, the Prime Meridian and Greenwich Mean Time (GMT). But have you ever stopped to ask what is the Prime Meridian and why it is in Greenwich? Why are all time zones across the world based on GMT? What is longitude and why is the meridian moving?
Book London Planetarium Shows | Royal Observatory Greenwich
Join Royal Observatory astronomers and leading scientists at London's only Planetarium, featuring live planetarium shows, immersive science experiences and much more! Our shows are very popular, so we highly recommend booking tickets online in advance.