D Dota55 Member Joined Jan 24, 2008 Messages 114 Gender Female HSC 2008 Nov 3, 2008 #1 I don't do chemistry. Anyone care to explain exactly what happens during these two changes?
H helper Active Member Joined Oct 8, 2003 Messages 1,183 Gender Male HSC N/A Nov 3, 2008 #2 Have a look at http://outreach.atnf.csiro.au/education/senior/astrophysics/stellarevolution_mainsequence.html
Have a look at http://outreach.atnf.csiro.au/education/senior/astrophysics/stellarevolution_mainsequence.html
