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. 


John Dee (1527–1608/9) was a brilliant mathematician, antiquary and astrologer, during the reign of Queen Elizabeth I.

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This is a portable Gregorian (reflecting) telescope.

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The aurora borealis, also known as the 'northern lights', is one of the most spectacular displays in the night sky. What is the science behind these ethereal curtains of light?

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The Great Equatorial Telescope at the Royal Observatory kept Britain at the forefront of astrophysics and greatly expanded our knowledge of stars.

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


Getting up ‘at the crack of dawn’ is not something enjoyed by many, but for some religions, dawn has a much larger significance. 


The story of Astronomer Royal George Biddell Airy and the remarkable Airy Transit Circle telescope he designed at the Royal Observatory Greenwich.

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

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The last transit of Mercury took place on 11 November 2019. Find out more about the science behind this extremely rare astronomical event.


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