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Students are introduced to the purposes, benefits and challenges of citizen science projects. Examples of historical and current projects are presented, and evidence is provided showing why human scientific analysis is sometimes better than computer... (View More)

In this lesson, students read the original paper written by Henrietta Leavitt in which she compared the apparent brightness and period of Cepheid variable stars. The students prepare graphs from numerical data, just as she did, and compare their... (View More)

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