"Invisible" <voi### [at] devnull> wrote in message
news:4b0c0220$1@news.povray.org...

> I just noticed the other night that as I passed under a sign telling me
> the motorway exit was in 1 mile, I could already see the green traffic
> lights beyond the exit. And those lights can't be much more than 24cm
> across...

Now calculate the angular extent of most distant star you can see with the
naked eye and explain your mistake <g>.

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