On Sun, 20 Feb 2005 00:23:22 +0000, fresh expelled the following:

On Sat, 19 Feb 2005 16:06:18 -0800, mariposas morgan mair fheal greykitten
tomys des anges <mair_fheal@yahoo.com> wrote:

More than likely it's wind or breezes. I know some of you fruitcakes
want to believe aliens are cleaning the panels off but you need to get
freaking real.

or maybe jpl has a real maintenance contract

Or maybe since Mar's red dust has a high iron content something about
Rover is causing the dust to be repelled from the panels.

Yes, that is reasonable guess as well.