> But what about if you take a photo of the night sky? The stars are much
smaller
> than 1 pixel, however they show up because of their intensity.

Heh, when I take a picture of the night sky with my digital camera, even with
all night settings on and sensitivity/exposure settings maxed out, I get a black
picture with only a couple of the brighter stars shown. Most stars simply ain't
bright enough. They really are quite faint, but the human eye is sensitive
enough to pick them up. You've gotta love the human eye...

Personally, I've been through the phase of simulating stars with thousands of
small spheres. I gave up and started using a textured sky sphere instead. It's
faster to parse/render and you can achieve greater star 'densities'.

Ryan

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