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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

Star trails and sidereal day

Produced by the Royal Observatory Greenwich, this booklet introduces the sidereal day and shows how star trials can be used to calculate the length of one sidereal day. Included in the booklet are instructions on how to create a star trial photograph using a DSLR or bridge camera. Supporting documents that help the students navigate the night sky and process the image produced are also included. Exemplar data is included and used to calculate the length of the sidereal day, giving support to key stage four students.

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