[AZ-Observing] Re: A very deep zodiacal band shot to ponder

On Oct 5, 2008, at 12:56 PM, Tom Polakis wrote:
>>
>
> Chris,
>
> In your deep image, it appears that the northern edge of the  
> Zodiacal light (left on the image) is sharply defined, but the  
> southern edge is diffuse.  Your image shows that the Zodiacal light  
> is not symmetrical about the ecliptic.  I wonder what the  
> explanation for the asymmetry is.
>
> Tom
> --


It's because the solar system is moving perpendicular to the plane,  
and the dust trails behind and gets smeared out in the direction  
opposite to the motion.

I swear, it's true.

Joe Bergeron

Fellow, International Association of Astronomical Artists

http://www.joebergeron.com




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