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The Disappearing Dark Sky

Source Institutions

    National Park Service

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The Disappearing Dark Sky

In this online interactive, learners investigate "The Case of the Disappearing Dark Sky." Learners discover how human development leads to fewer visible stars as well as the effects of light glare on animal migration patterns. Learners also experiment with choosing different lighting features to produce the least amount of light pollution.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:

Age Range:
Ages 6 - 14

Resource Type:


Materials List (per student)

  • Computer with internet access


  • Earth and Space Science
    • Astronomy
      • Stars and Galaxies
      • Light and Optics
      • Probes, Satellites and Spacecraft
  • Engineering and Technology
    • Technology
      • Energy and Power
  • Life Sciences
    • Diversity of Life
      • Animals
    • Ecology
      • Populations
      • Human Impact
  • Mathematics
    • Problem Solving
  • Physical Sciences
    • Energy
      • Energy and Power
    • Light and Optics
  • The Nature of Science
    • Science and Society
      • Risks and Benefits
  • The Nature of Technology
    • Technology and Society
      • Impacts of Technology
      • Technology and the Environment

Informal Categories

  • Animals
  • Nature and Environment


To use this activity, learners need to:

  • see
  • see color
  • read
  • use keyboard
  • use mouse

Learning styles supported:

  • Uses STEM to solve real-world problems
  • Involves hands-on or lab activities


Includes alignment to state and/or national standards

This resource is part of:

Access Rights:

  • Free access



  • All Rights Reserved, National Park Service,

Funding Source:

  • Best Buy Children's Foundation


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