From: Subject: Date:

First Page		Document Content
Date: 2014-02-19 13:10:20 Light Optics Visibility Light sources International Dark-Sky Association Circadian rhythm Dark-sky preserve Night sky Street light Observational astronomy Light pollution Lighting		From: Subject: Date: Add to Reading List Source URL: www.darksky.org Download Document from Source Website File Size: 1,18 MB Share Document on Facebook

	International Dark-Sky Association since 1988 “ . . . to preserve and protect the nighttime environment and our heritage of dark skies through quality outdoor lighting.” Executive Director David L. Crawford, Ph.D. DocID: 1qknB - View Document
	FOR IMMEDIATE RELEASE Capitol Reef National Park Gains International Dark Sky Park Status TUCSON, Ariz., 16 April 2015 – Few places in the continental United States experience nights as dark as those on the Colorado P DocID: 1qgAS - View Document
	“… to preserve and protect the nighttime environment and our heritage of dark skies” 3223 North First Avenue Tucson, AZ 85719, USA tel +fax +www.darksky.org DocID: 1pW4u - View Document
	Canadian planning for the International Year of AstronomyCanadian planning for the International Year of Astronomy 2009 Jim Hesser1, Cheryl Bartlett2, and the IYA Canada Committee3 1 2 DocID: 1pCWn - View Document
	Share the Sky – Good Neighbor Tips for Airports Near Dark Sky Communities and Beyond Jenny Watts, M.A.S., has more than eight years of aviation planning, DocID: 1pary - View Document