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Celebrate Trafalgar Day with us and hear from art curator Katherine Gazzard on the history and symbolism of this awe-inspiring naval scene

The National Maritime Museum in Greenwich will celebrate Diwali with a public festival titled ‘Illuminate’ on 25 October 2025. Diwali is an annual celebration in the Hindu calendar, and variations of the festival are also observed in the Jain and Sikh faiths. The National Maritime Museum celebrates the festival annually to encourage visitors to engage with other cultures and families, and learn more about the South Asian items in the Museum’s collection. Mehala Ford, founder of South Asian arts platform CommonGround&, will return for the third time to curate the Museum’s celebration. The day will include performances, creative workshops, storytelling and a lantern parade around Greenwich Park.

The overall winner of Royal Observatory Greenwich’s ZWO Astronomy Photographer of the Year 17 is The Andromeda Core by photographers Weitang Liang, Qi Yang and Chuhong Yu.

Easter falls on a Sunday between 22 March and 25 April, but working out which Sunday exactly requires an astronomical calculation

Learn more about the Tunguska event in 1908, a highly destructive asteroid explosion that occurred in a remote area of Siberia

Life on Earth, our Sun and Solar System, the Milky Way – all good things must come to an end. But what about the fate of the Universe itself?

Discover more about the astronomy phenomenon that makes clouds appear to glow at night 

Discover how to see this once-in-a-lifetime comet, which might be visible to the naked eye under dark skies.