51Թ

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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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51Թ History and Origins

Origin of light pollution1

First recorded in 1970–75
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Example Sentences

Examples have not been reviewed.

But industrialization has changed that, of course, by introducing light pollution that gradually erased the stars from view before the bright blue light of countless LEDs made the situation so much worse.

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The fact that even recent research on the impact of International Dark Sky Places on light pollution relies on observations made from orbiting satellites should make the point.

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The sun isn’t to blame for light pollution that brightens the night sky, though — we are.

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A third potential problem with the language and scope envisioned by the OST is that it doesn’t define a geography that captures the creation of light pollution in the night sky, wherever that is exactly, from the perspective of organisms on Earth.

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"We think of light pollution as a local issue, and we are lacking a domestic light pollution strategy or a national light pollution policy at present," Venkatesan said.

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