Wasn't it Tek who wrote:
>I don't know much about what's actually out there so any 
>suggestions would be welcome.

One thing I do know about spiral galaxies is that they only have two
arms. There are a few galaxies that look like they might have more, but
it's probably an illusion.

We don't understand why galaxies have spirals, but it is conjectured
that the dual nature of the spiral might originate from some compact
body that emitted two powerful jets in opposite directions. 

-- 
Mike Williams
Gentleman of Leisure

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