Learn about light pollution and what you can do to help with these GAM programs. Image credit: Wally Pacholka / AstroPics.com / TWAN An important lesson to learn during Global Astronomy Month 2012 (GAM 2012) is how and why to preserve our dark night skies. You can make a difference, even if you live in a city with too many bright lights. With half of the world's population living in cities, many people have never experienced the wonder of a pristinely dark sky. Many never will. Light pollution is now, for the first time ever, obscuring our natural heritage of...
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