Night sky

Results: 649



#Item
641Architecture / Light sources / Light pollution / Light-emitting diodes / Light fixture / Street light / Mercury-vapor lamp / Sodium-vapor lamp / High-intensity discharge lamp / Lighting / Light / Gas discharge lamps

MD of Foothills No. 31 Dark Sky Bylaw Keeping the Night Skies Dark – 2011

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Source URL: www.mdfoothills.com

Language: English - Date: 2011-11-22 17:20:28
642Astronomy / Optics / Science / Visibility / Lighting / Starlight / Skyglow / International Year of Astronomy / Night sky / Observational astronomy / Light sources / Light pollution

reserve starlight uk.indd

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Source URL: www.starlight2007.net

Language: English - Date: 2009-03-28 13:02:51
643Science / Physical geography / Astronomy / Biodiversity / Biomes / Instituto de Astrofísica de Canarias / La Palma / Light pollution / Man and the Biosphere Programme / Light sources / Observational astronomy / UNESCO

DECLARATION IN DEFENCE OF THE NIGHT SKY AND THE RIGHT TO

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Source URL: www.starlight2007.net

Language: English - Date: 2008-03-29 08:51:15
644Observational astronomy / Visibility / Hopewell Furnace National Historic Site / East Nantmeal Township /  Chester County /  Pennsylvania / Hopewell / French Creek State Park / Dark-sky movement / Pennsylvania / Light pollution / Lighting

FOR IMMEDIATE RELEASE HOPEWELL BIG WOODS NAMED NIGHT SKIES CONSERVATION AREA August 12, 2012

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Source URL: www.polcouncil.org

Language: English - Date: 2012-11-06 19:51:46
645Space advertising / Light pollution / Outer space / Planet / Asteroid / Naked eye / Space debris / Moon / Night sky / Astronomy / Observational astronomy / Space

A/AC[removed]United Nations

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Source URL: www.unoosa.org

Language: English - Date: 2005-04-21 07:03:28
646Nuclear physics / Visibility / Light / Sky brightness / Rayleigh scattering / Light pollution / Emission spectrum / Atmosphere of Earth / Scattering cross-section / Physics / Atmospheric sciences / Observational astronomy

Mon. Not. R. Astron. Soc. 318, 641±[removed]The artificial night sky brightness mapped from DMSP satellite

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Source URL: www.lightpollution.it

Language: English - Date: 2006-08-29 23:38:21
647Astronomy / Optics / Physics / Plasma physics / Space plasmas / Sky brightness / Skyglow / Naked eye / Night sky / Observational astronomy / Light pollution / Light sources

Mon. Not. R. Astron. Soc. 000, 1–[removed]Printed 2 August 2001

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Source URL: homepages.wmich.edu

Language: English - Date: 2001-08-06 14:16:53
648Space / Bortle Dark-Sky Scale / International Dark-Sky Association / Skyglow / Limiting magnitude / Sky brightness / Apparent magnitude / Naked eye / Night sky / Observational astronomy / Astronomy / Light pollution

Chadwick A. Moore Visual Estimations of

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Source URL: www.georgewright.org

Language: English - Date: 2002-04-18 15:08:05
649Lighting / Light sources / Astronomy / Plasma physics / Skyglow / Sky brightness / Light-emitting diode / Sodium-vapor lamp / Night sky / Light pollution / Observational astronomy / Light

Lighting and astronomy Christian B. Luginbuhl, Constance E. Walker, and Richard J. Wainscoat

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Source URL: www.darkskiesawareness.org

Language: English - Date: 2009-12-15 16:39:46
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