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Delve into our video series where curators are put against the clock to answer some big questions

Take a journey through time (and paint) with our historic paint consultant

Have you ever wondered how far away space is; how far are the different things you see above your head?

Students use E = mc2 to calculate how long it would take the Sun to exhaust its core hydrogen. Accompanies the video 'How do we know how old the Sun is?'.

Royal Observatory astronomer Rad explains where black holes come from, how we know they’re there and the strange effects they have on surrounding matter. 

Our Universe is a facinating and beautiful place. Join the Royal Observatory Greenwich astronomers as they head off on a voyage of discovery to find out just what it is that makes it so colourful.

Students draw a pie chart to show the composition of the Universe.

Our Universe is a vast and very interesting place and light plays a big part in us being able to understand more about it. To find out how join the Royal Observatory Greenwich astronomers as they explore more.

From Newton’s longstanding ideas to Einstein’s revolutionary theories, Royal Observatory Greenwich astronomers explain how our understanding of gravity has changed from looking at how gravity affects us in our daily lives and how it governs what we observe in space.

A classroom activity that explores light/radiation throughout the history of the Universe and how we can use light to learn about the most distant galaxies.