If there is enough matter (more than 0.1 solar masses) undergoing adiabatic contraction, it gets heated to the point where nuclear fusion reactions begin deep inside, and star is formed.
53 posted on 08/03/2006 2:23:14 PM PDT by Doctor Stochastic
(Vegetabilisch = chaotisch ist der Charakter der Modernen. - Friedrich Schlegel)
