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  Many people throughout history have wondered about this simple question: Why is the sky blue? It is so simple yet so complicated. When the sky is blue and clear it is because molecules in the air reflect blue light from the sun more than they are reflecting red light. The sun has all the …

  The International Dark Sky Park Association has designated a total of 69 Dark Sky Parks in the United States. Dark Sky Parks are committed to preserving the night sky by using a sky-quality meter to determine whether a park has too much light from ambient towns, and through street lighting and lighting paths and …