Above - an explaination of why the Planetarium is the shape it is.
Above - a 24 hour analogue clock.
Above - the Planetarium.
Above - the largest telescope in the UK.
Above - the meridian.
Above - an explanation of how the sundial below works.
Above - The dolphin sundial
Above - what remains of Herschell's telescope.
Above - the view over London from the Observatory. You can see Canary Warf. The Millenium Dome is just out of sight to the right.