To get the basic facts read the little note 'The Northern Lights - where, when and what' (also in Norwegian and German), or the somewhat more comprehensive article 'The Northern Lights - what are they?' (Norwegian version as well).

 More about Northern Lights and a wealth of information about related topics are aslo found at these sites.
 

	Northern Lights - when, where, and what
	http://geo.phys.uit.no/articl/nord_eng.html
	The Northern Lights - what are they?
	http://geo.phys.uit.no/articl/theaurora.html
	The University of Alaska Fairbanks
	http://www.pfrr.alaska.edu/~pfrr/AURORA/
	Michigan Technical University
	http://www.geo.mtu.edu/weather/aurora/
	Finnish Meteorological Institute
	http://www.fmi.fi/research_space/space_9.html
	Swedish Instutute of Space Research
	http://www.irf.se/norrsken/Norrsken_mainpage.html
	Northern Light Pridictions:
	http://www.spaceweather.com
	http://www.sec.noaa.gov

Several books about the Northern Lights have been published, among them:

• Candage Sandage: 'Aurora, the mysterious Northern Lights'. Greystone Books, Vancouver/Toronto 1994. ISBN 1-55054-447-0
• Asgeir Brekke and Alv Egeland: 'The Northern Lights: their heritage and science'. Gr0ndahl Dreyer, Oslo 1994. ISBN 82-504-2105-
• Robert Bather: 'Majestic Lights; the aurora in science, history and arts'. American Geophysical Union, Washington D.C. 1980. ISBN 0-87590-215-4
• Kenneth R. Lang: 'Sun, Earth and Sky', Springer-Verlag 1995. ISBN 3-540-58778-0

Do you plan to go to Norway to watch the Northern Lights? The tourist organisation 'Destionation Tromso' and 'Destination Alta' may help you arranging the travel.