Stars are like humans – they have similarities and differences with each other but all have a finite lifetime. Royal Observatory Greenwich astronomers explain how stars can be categorised and their evolution studied by tracking their movement across a very important graph in stellar evolution - the Hertzsprung-Russell diagram.
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The Royal Observatory is the home of Greenwich Mean Time (GMT), the historic Prime Meridian of the world and London’s Planetarium.
Our astronomy science learning and public engagement team is made of real astronomers who are also professional science communicators.

The Royal Observatory is part of Royal Museums Greenwich, along with the National Maritime Museum, Cutty Sark and Queen's House.

Website: https://www.rmg.co.uk/royalobservatory
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