![Light / Astronomy / Light sources / Visibility / International Dark-Sky Association / Night sky / Polar bear / Survival / Sky / Observational astronomy / Light pollution / Lighting Light / Astronomy / Light sources / Visibility / International Dark-Sky Association / Night sky / Polar bear / Survival / Sky / Observational astronomy / Light pollution / Lighting](https://www.pdfsearch.io/img/b8fd8449a7dc7b928295cbb1d38078fc.jpg) Date: 2013-12-17 16:27:10Light Astronomy Light sources Visibility International Dark-Sky Association Night sky Polar bear Survival Sky Observational astronomy Light pollution Lighting | | Taking a closer look at the consequences of artificial lighting and its affects on wildlife. Images by U.S. Department of Interior, Fish & Wildlife Service Ages 6-12 years oldAdd to Reading ListSource URL: www.darksky.orgDownload Document from Source Website File Size: 843,76 KBShare Document on Facebook
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