light pollution
noun
: artificial skylight (as from city lights) that interferes especially with astronomical observations
Examples of light pollution in a Sentence
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Framing this comet is the glow of our home galaxy, the Milky Way, which is easier to spot at higher elevations like Mauna Kea's peak, where there is less light pollution.
—
Kenna Hughes-Castleberry, Space.com, 12 Dec. 2025
Auroras are unpredictable by nature — skies must be clear and local light pollution must be minimal to boost your odds.
—Valerie Mesa, PEOPLE, 12 Dec. 2025
The shower can best be seen in clear skies, and without the interference of light pollution.
—Connor Greene, Time, 11 Dec. 2025
The view of an aurora is affected by light pollution; it is generally recommended to go somewhere dark, with no clouds, for the best view.
—Rachael O'Connor, MSNBC Newsweek, 9 Dec. 2025
See All Example Sentences for light pollution
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Kenna Hughes-Castleberry, Space.com, 12 Dec. 2025
Auroras are unpredictable by nature — skies must be clear and local light pollution must be minimal to boost your odds.
—Valerie Mesa, PEOPLE, 12 Dec. 2025
The shower can best be seen in clear skies, and without the interference of light pollution.
—Connor Greene, Time, 11 Dec. 2025
The view of an aurora is affected by light pollution; it is generally recommended to go somewhere dark, with no clouds, for the best view.
—Rachael O'Connor, MSNBC Newsweek, 9 Dec. 2025
See All Example Sentences for light pollution
Cite this Entry
“Light pollution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20pollution. Accessed 16 Dec. 2025.
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