light pollution

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light pollution

n.
Illumination of the night sky by electric lights, as in urban areas, that interferes with astronomical observations and can have negative ecological effects.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

light pollution

n
the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations
valosaaste
lichtvervuiling
ljusföroreningljusnedsmutsning
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