re:Hole in a box

From: Amara Graps (
Date: Thu Feb 14 2002 - 14:48:03 MST

Anders Sandberg:
>You would end up with the Eddington luminosity if the gas was just
>gravitationally attracted. I guess a slightly different luminosity would
>result if it was instead pressured. From the Second Fount of Knowledge
>(, I
>get: L_eddington = 4 pi c G M m / sigma_T

This equation assumes a hydrogen gas sphere in hydrostatic equilibrium,
with the total energy transport via radiation.

Are these the assumptions that you want?


Amara Graps, PhD | Max-Planck-Institut fuer Kernphysik
Heidelberg Cosmic Dust Group | Saupfercheckweg 1
+49-6221-516-543 | 69117 Heidelberg, GERMANY *
"We came whirling out of Nothingness scattering stars like dust." --Rumi

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