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light pollution

noun

  1. unwanted or harmful light, as from bright street lights or neon signs.

  2. Astronomy.artificial illumination of the sky that sets a limit on the faintness of stars that can be observed or photographed.



light pollution

noun

  1. the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of light pollution1

First recorded in 1970–75
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Example Sentences

Examples have not been reviewed.

There is minimal to no light pollution in Trinity Alps, meaning it can be near pitch-black at your campground.

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L.A. and its surrounding area have substantially more light pollution almost 90 years later, but the skies above Cooper Canyon Trail Camp will still delight any overnight visitor.

From

Environmental groups have criticised SpaceX's impact on nearby wildlife, and say the company has increased light pollution and littered the area with debris from rocket launches.

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The best time to spot the meteors will be when the skies are at their darkest and clearest so stay away from light pollution if you can.

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In Los Angeles and other major cities where light pollution is pervasive, stargazers will have some difficulty seeing the shower despite the ideal weather conditions due to the light pollution from homes, businesses, streetlights and cars.

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