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Due to light pollution, the number of stars visible to the naked eye in the night sky is being reduced by more than half in some places in less than 20 years,
Light pollution is obstructing those stars and is expanding far more quickly than scientists had realised.
Meet the Stars - Sky & Telescope - Sky & Telescope, Stars
The dark sky blues: Light pollution is robbing us of the stars
Illuminating the Effects of Light Pollution - The New York Times
What is light pollution?
Night Sky - Shenandoah National Park (U.S. National Park Service)
Light Pollution Causing Stars To Disappear From The Night Sky, Warn Researchers, Stars
Why do the stars disappear ? - Vaonis
Light Pollution Obscures the Night Sky for Astronomy
Dark Sky Communities protect the night sky from light pollution - Upworthy
Astronomers Will Be Ready To Study Future Supernovas In Action
Stars are 'disappearing from the night sky', astronomers warn
Stop Ruining Starry Nights - The New York Times
How to Find Good Places to Stargaze
God's Promises Are Clearest When We Turn Out the Ligh