How Light Pollution Affects the Stars: Magnitude Readers

This How Light Pollution Affects the Stars: Magnitude Readers lesson plan also includes:

Did you know light can decrease visibility? Light pollution absolutely makes it more difficult to see stars. Scholars build a simple magnitude reader to determine the magnitude of stars. They use these data to estimate the impact of light pollution in their areas before learning how to limit light pollution.


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CCSS: Adaptable
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Instructional Ideas
  • View photos of the earth at night from the ISS to see how much light pollution exists
Classroom Considerations
  • Requires inkjet transparencies made using the provided template
  • Lesson begins with a nighttime star party to learn the proper observation method
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
  • Offers multiple extension projects for citizen scientists
  • Connects concepts locally as well as intergallactically
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