POV-Ray : Newsgroups : povray.off-topic : 'Nuther design contest site : Re: 'Nuther design contest site Server Time
30 Jul 2024 04:13:16 EDT (-0400)
  Re: 'Nuther design contest site  
From: Nekar Xenos
Date: 25 Mar 2011 06:18:07
Message: <op.vsv9kclsufxv4h@go-dynamite>
On Fri, 25 Mar 2011 11:30:17 +0200, Warp <war### [at] tagpovrayorg> wrote:

> Nekar Xenos <nek### [at] gmailcom> wrote:
>> I thought stars aren't supposed to show up in shots like this. Now I'm
>> confused
>
>   I think you are confused about the reason why stars aren't usually
> visible in photos in outer space. It's not that they are impossible to
> photograph. It's about exposure time. Stars are so small and dim that
> they need a longer exposure time than when photographing a sunlit surface
> (such as a sunlit spacecraft or the day side of the Earth).
>
>   (You could use the longer exposure time when photographing sunlit
> surfaces, in which case the stars would become visible, but then the
> sunlit surface would become completely overexposed.)
>

Thanks for the explanations.

-- 
-Nekar Xenos-


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