Exhibits - Observatory Science Centre & Museum

Our Awesome Orrery

13/01/2026

Exhibits

When you visit our ‘Domes of Discovery’ gallery, don’t forget to look up! Mounted next to the massive Congo Schmidt telescope, you’ll find an intriguing celestial mechanism… What is an orrery? Simply put, an orrery is a moving model of our solar system. Ours shows the orbits of the major planets around the Sun, as

Solid, liquid, gas…plasma!

13/01/2026

Exhibits

Explore our popular Plasma Globe exhibit in the ‘Light and Colour’ gallery. What is plasma? Plasma is the fourth state of matter, after solid, liquid and gas. Plasma is formed when a gas is changed in a way that lets electricity flow through it very easily. Did you know that stars are almost pure balls

Shake it off!

13/01/2026

Exhibits

Discover our popular Earthquake exhibit in the ‘Earth & Beyond’ gallery. Design, Build, Test, Learn! Have you ever felt an earthquake? They are caused by the Earth’s surface shaking, and some can be very strong, so it’s important to make sure our buildings can withstand them. Our interactive Earthquake exhibit is a scaled-down version of

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History of The Royal Observatory

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The 38″ Congo Schmidt

The Thompson 26-inch refractor

The 13-inch Astrographic Refractor