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

Word History and Origins

Origin of light pollution¹

First recorded in 1970–75

Example Sentences

Although the Met Office cautioned that solar forecasts can change rapidly, and factors such as cloud cover and light pollution will impact visibility.

From BBC

Ampthill Town Council raised concerns about noise and light pollution, especially from firework and drone displays, but the parks documents downplay the potential disturbances.

From BBC

Open, tennis stars shine under illumination designed to cut light pollution.

From Los Angeles Times

The Golden State — along with the others — has large areas of wilderness that are far enough away from city light pollution to view certain cosmic events.

From Los Angeles Times

Even so, the general guidance Krupp shared is to “get out of town” and go somewhere high that’s clear of light pollution.

From Los Angeles Times