Regions:
Dark Skies Importance
The difference between natural starry sky and the grey light-polluted sky of urban areas is shocking. The beauty of starry skies is a heritage of our natural environment. TWAN publicize the importance of dark skies in collaboration with other global efforts International Dark Sky Association, Dark Skies Awareness, Starlight Reserves, and StarPark Network. Short link: twanight.org/darksky
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Date: 2015 Oct 9
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Date: 2014 June 23
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Date: 2012 Sep 9
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Date: 2015 June 15
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Date: 2011 Dec 24
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Date: 2011-2015
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Date: April 2016
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Date: 2016 July 6
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With and Without Light Pollution
Date: 2014
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Date: May 2016
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Photos: 415 Page: 4 of 35 |< << Previous 5 6 7 8 9 Next >> >|
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