The Astronomy Center has provided educational resources to introductory astronomy educators since 2003. Over the past 20 years, the rapid pace of discovery has rendered some of our linked resources obsolete. Thus, the Astronomy Center will be decommissioned on March 1, 2022. Our highest quality resources will be retained on


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D. Stern
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This is the first of three linked web pages. The one listed introduces the concept of mass and the question of how it may be measured without recourse to gravity, e.g. in the…
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L. Whitlock and K. Granger
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This is a high school lesson plan on the topic of periodic motion. Students analyze data obtained from high-energy satellites of various binary stars orbital periods, then construct…
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K. Lee; Publisher: Astronomy Education at the University of Nebraska
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This collection of questions and resources covers concepts on the Light and Spectra Concept Inventory. The questions are designed to be used for in-class student engagement…