ALCon 2012 » Light Pollution http://alcon2012.astroleague.org ALCon2012 Thu, 16 Aug 2012 06:57:26 +0000 en-US hourly 1 http://wordpress.org/?v=3.4.1 Preserving Dark Skies http://alcon2012.astroleague.org/preserving-dark-skies/ http://alcon2012.astroleague.org/preserving-dark-skies/#comments Thu, 12 Jan 2012 15:35:13 +0000 Rich http://alcon2012.astroleague.org/?p=51 Light Pollution: What is it?

Light pollution is any adverse effect of artificial light, including sky glow, glare, light trespass, decreased visibility at night, energy waste, and more.

 

 

 

 

 

 

http://mcdonaldobservatory.org/darkskies/

 

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