​

​"http://library.thinkquest.org/J002975F/factson5.htm"​



Date Used: 3/8/12

​

​​​​"http://www.seasky.org/celestial-objects/stars.html"

 



Date Used: 4/8/12

​

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

 



Date Used: 2/8/12

​

"http://www.enchantedlearning.com/subjects/astronomy/stars/lifecycle/"

 



Date Used: 3/8/12

​

"http://imagine.gsfc.nasa.gov/docs/teachers/lessons/xray_spectra/background-lifecycles.html"

 



Date Used: 4/8/12

​

​

​"http://library.thinkquest.org/26220/stars/formation.html"

 

 

Date Used: 2/8/12

​

​

"http://www.uwgb.edu/dutchs/CosmosNotes/stars.htm"

 

Date Used: 3/8/12