Venture into another dimension and discover all about astronomy and the study of celestial objects, such as stars, comets, planets and asteroids. Plus, how you can be captivated by the wonders of the universe at the Peter Harrison Planetarium at Royal Observatory Greenwich. 

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The Perseid meteor shower is one of the most dramatic things to see in the night sky between July and August. Find out the best dates to see the spectacular display, as well as where to look and how to photograph it, below.

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This is a portable Gregorian (reflecting) telescope.


How the humble prism helped unlock the secrets of what the Universe is made of and where it is heading.

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What is it, when is it and where can I see the Quadrantid meteor shower this year?

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Don't overlook this exquisite telescope dated to 1730 from Naples in Italy.


19th-century astronomers went beyond cataloguing the skies to understanding their composition and predicting what could not be seen.

The Hubble Space Telescope as seen from the departing Space Shuttle Atlantis, flying STS-125, HST Servicing Mission 4.

Since its 1990 launch, Hubble Space Telescope has been dazzling the world with images of space and a deeper understanding of how the universe works.

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Get your bearings with the remains of one of our greatest ever instrument maker's mural quadrant.

How and, more importantly, why do we measure the brightness of stars?

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What are the main differences between Hubble and the new James Webb Space Telescope?