This science video shows how to estimate the diameter of the Sun, including step-by-step instructions for constructing the equipment needed and an overview of the geometry of similar triangles. If you like space and science experiments, you can't miss this one.
This video tutorial also includes a brief introduction to the techniques used by the ancient Greeks to determine the size of the moon, distance to the moon and the distance to the Sun. For junior and intermediate schools, this video supports the mathematics and astronomy components of the curriculum.
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