(Martin*Brown) wrote:
Once the pressure and temperature are
almost enough some lucky collisions will
result in fusion. Reaction rates then increase
rapidly with temperature.

I have read where it can take 100,000 years for light generated in the
sun's centre, to reach the surface. ...Would this imply that a newly
formed sun would basically look like an extremely large Jupiter.... And
then, over thousands of years, would gradually light up? ...Jon