Definition for Protosun
From Biology Forums Dictionary
Revision as of 19:48, 1 October 2013 by Robertling (Talk | contribs) (Created page with "A protosun is a sun (star) that is still forming. It takes millions of years of solar winds and gravitational forces to gather and compress massive clouds of hydrogen to the poin...")
A protosun is a sun (star) that is still forming. It takes millions of years of solar winds and gravitational forces to gather and compress massive clouds of hydrogen to the point where it's gravity is powerful enough to cause nuclear fusion at it's core and "ignite" a new star.