Visitor highlight
Cutty Sark rigging
See the terrifying height of Cutty Sark's masts - did you know there are over 11 miles of rope on the ship?
Policy overview
Whistleblowing Policy
This policy sets out the procedure for raising a whistleblowing concern and the support and protection available
Visitor highlight
Stand on the Prime Meridian Line
Visit the historic Prime Meridian of the World at the Royal Observatory Greenwich
Story topic
Best Newcomer 2025 – ZWO Astronomy Photographer of the Year
See the stunning winning and shortlisted images in the ZWO Astronomy Photographer of the Year 2025 Best Newcomer category
Story topic
Our Sun 2025 – ZWO Astronomy Photographer of the Year
See the stunning winning and shortlisted images in the ZWO Astronomy Photographer of the Year 2025 Our Sun category
Cutty Sark - Picture your event
Planning a special event? Browse our gallery of beautiful Cutty Sark event photography.
Story topic
The Astronomer Royal
The Astronomer Royal is the best-known and most prestigious post in astronomy with illustrious forebears such as Flamsteed and Halley
Policy overview
Sustainability policy statement
Our commitment to working in environmentally sustainable ways, applying the principles of sustainable development for the benefit of current and future generations, both locally and globally.
Learning resource
GCSE Astronomy resources
Find worksheets and videos relating to GCSE Astronomy here!
Learning resource
Measuring the Universe
This video explains how we can measure the distance to near and far objects in the universe using parallax, 'standard candles' and the Doppler effect.