http://en.wikipedia.org/wiki/Stellar_nucleosynthesis [2]
http://en.wikipedia.org/wiki/Stellar_evolution [3]
http://sci.esa.int/education/36828-stellar-processes-and-evolution/ [4]
http://cosmology.berkeley.edu/Education/ISTATPage/HighSchool/stellarE/St... [5]
https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Stellar_nucleosynt... [6]
http://nothingnerdy.wikispaces.com/E5+STELLAR+PROCESSES+AND+STELLAR+EVOL... [7]
Links
[1] https://www.hootsgo.org/?q=node/6428
[2] http://en.wikipedia.org/wiki/Stellar_nucleosynthesis
[3] http://en.wikipedia.org/wiki/Stellar_evolution
[4] http://sci.esa.int/education/36828-stellar-processes-and-evolution/
[5] http://cosmology.berkeley.edu/Education/ISTATPage/HighSchool/stellarE/Stellar.html
[6] https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Stellar_nucleosynthesis.html
[7] http://nothingnerdy.wikispaces.com/E5+STELLAR+PROCESSES+AND+STELLAR+EVOLUTION