From: Subject: Date:

First Page		Document Content
Date: 2014-02-19 13:08:38 Lighting Light International Dark-Sky Association Dark-sky preserve Dark-sky movement Street light Amateur astronomy Night sky Sky brightness Light pollution Observational astronomy Astronomy		From: Subject: Date: Add to Reading List Source URL: www.darksky.org Download Document from Source Website File Size: 1,24 MB Share Document on Facebook

	Can you see it? Test your eye + binocular limits in closeness and brightness with binaries. Binary stars (also known as ‘doubles’) are among the most interesting objects in the sky. The two stars can be similar or va DocID: 1tURe - View Document
	The Stellar Magnitude Scale Astronomers measure the brightness of a star in the sky using a magnitude scale. On this scale, the DocID: 1t76j - View Document
	Effects of atmospheric conditions on night sky brightness RIVM Report RIVM Report DocID: 1sJCo - View Document
	The first World Atlas of the artificial night sky brightness DocID: 1ra8f - View Document
	GLOBE at Night: An Update and look ahead to IYA2009 GLOBE at Night: An update and look ahead to IYA2009 Constance E. Walker1, Douglas Isbell1 & Stephen M. Pompea1 1 DocID: 1ptgF - View Document