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The Endangered Starry Sky 02:07

The Endangered Starry Sky

Updated 2331 GMT (0731 HKT) December 1, 2017

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Zion National Park, Utah (CNN)As the glow of light pollution from cities and towns endangers our view of the night sky, gaze up at the stars from Zion National Park in southern Utah. The park is taking steps to become an official "Dark Sky Place" in hopes of preserving its nocturnal vistas.