Tom Melly wrote:
> 
> "H.E. Day" <The### [at] hedayfreeserverscom> wrote in message
> news:3ABAC017.C71FF322@heday.freeservers.com...
> 
> There seems to be some odd circles showing up (attached img detail)

They are shockwaves that occur when the gases coming out of the
thrusters go from being supersonic to sub-sonic.  Any decent picture of
the Space-shuttle taking off also has them.

-- 
Francois Labreque | The surest sign of the existence of extra-
    flabreque     | terrestrial intelligence is that they never
        @         | bothered to come down here and visit us!
  videotron.ca    |                             - Calvin

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