Royal Observatory Greenwich

Whether it's observing the stars, standing astride the Prime Meridian or marvelling at John Harrison's timepieces, the Royal Observatory Greenwich provides a treasure trove of fascinating information. Read all about the history of space, time and navigation, plus find out more about the Insight Astronomy Photographer of the Year competition.

In 1894 international terrorism made its UK debut just outside the Royal Observatory. It created a gory mess and an enduring mystery.

The telescope has evolved as a key scientific instrument that has changed our perceptions of the world. 

The architect of St. Paul’s Cathedral was a noted astronomer and his two loves were united in his design of the Royal Observatory at Greenwich.

After 11 years of Republican rule the monarchy was restored in May 1660.

Edmond Halley set out to sea to use magnetism as a possible solution to the problem of determining longitude.

Neither the smallest nor the largest objects in the known Universe escaped the brilliant Hooke’s attention.

George Biddell Airy was Astronomer Royal for much of the 19th century and he amassed a treasure trove of data.

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

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

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

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