In this educational video, Royal Observatory Greenwich astronomer Brendan simulates a photographic effect known as “star trails” without an expensive camera, and during the day. The same computer processing techniques used to obtain the final image in the video can be used for capturing images of a real night sky and are detailed in an associated resource.

Download associated resources and find out more about our education programmes at rmg.co.uk/schools/royal-observatory/classroom-resources/video-resources/.

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