Question

Can someone explain optical depth in terms of stellar radiation

Answer 1

@goformit100

Answer 2

Yes, why am i tagged here ?

Answer 3

Because you can only help him.

Answer 4

is it the effective distance inside the stellar atmosphere, from which radiation can almost freely escape without absorption or scattering ?

Answer 5

Use it http://sciencevault.net/ibphysics/astrophysics/stellarradiation.htm

Answer 6

Thanks @DLS & @goformit100 , I am still looking for a physical interpretation of this.
\[\tau = \int\limits_{r}^{\infty} \kappa * \rho dr\]