Royal Institution Public Talk - Discourse: Christmas Lecture 2025
Friday 28th November 2025 from 19:20pm to 20:50pm
The Royal Institution
21 Albermarle Street, London, London, W1S 4BS
Join us in the Ri Theatre for a chance to hear from Maggie Aderin-Pocock, our eagerly awaited 2025 Christmas Lecturer, who will deliver our prestigious annual November Discourse.
Dame Margaret Aderin-Pocock is a British space scientist and science educator. She is an honorary research associate of University College London’s Department of Physics and Astronomy, and has been the chancellor of the University of Leicester since 1 March 2023. Since February 2014, she has co-presented the long-running astronomy television programme The Sky at Night with Chris Lintott.
In 2020 she was awarded the Institute of Physics William Thomson, Lord Kelvin Medal and Prize for her public engagement in physics. She is the first black woman to win a gold medal in the Physics News Award and she served as the president of the British Science Association from 2021 to 2022.
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Event darkness
The below chart shows if and when the skies will be at their darkest during this event. Moonlight is shown in light yellow and the Sun's twilight in light blue. Midnight on the date shown is shown as a white line with sunset to the left and sunrise the next morning to the right. A black background with stars shows the best times for stargazing.
Fri 28th Nov
Local light pollution
The Royal Institution is estimated to have light pollution levels similar to an urban location based on the latest data from the VIIRS satellite.
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Dark site
The above demonstrates the estimated effect of light pollution - graphics created using Stellarium.
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