http://en.wikipedia.org/wiki/Star

http://imagine.gsfc.nasa.gov/docs/science/know_l2/stars.html

http://www.kidsastronomy.com/stars.htm

http://www.kidscosmos.org/kid-stuff/stars-facts.html

http://www.nasa.gov/worldbook/star_worldbook.html

http://stars.astro.illinois.edu/sow/sowlist.html

http://imagine.gsfc.nasa.gov/docs/science/know_l1/stars.html

http://www.bbc.co.uk/science/space/stars/index.shtml

http://www.space.com/stars/

http://science.nationalgeographic.com/science/space/universe/stars-article.html