Measuring Light Pollution This site has map overlays from various satellite surveys of light pollution and allows you to explore the planet and zoom in to see the sources of light pollution as seen from space.¬†Globe at Night is an international citizen-science campaign to raise public awareness of the impact of light pollution by inviting citizen-scientists to measure & submit their night sky brightness observations. It’s easy to get involved – all you need is computer or smart phone & follow these 5 Simple Steps!

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