On 9-6-2013 19:26, Cousin Ricky wrote:
> He is correct.  The formula you attribute to me is for the /diameter/ of the
> Sun, not the radius.  (References to celestial objects tend to give diameters
> instead of radii.  Another possibility is that the original conversation was
> about area_lights.)
>

I stand corrected! The original discussion was /indeed/ about area lights.

I mixed up radius and diameter subsequently.

How little things may wreak havoc in the celestial clockwork ;-)

Thomas

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