[Aperocky]

wondering if rotating solar panel works. just rotate 180 degrees to dump sand to the ground and then back.

[teh_klev]

It's not actually sand, it's very fine electrically charged dust that "sticks" to the surfaces of the solar panels. Tipping the panels wouldn't help.

[cassandratt]

Apply a negative charge to the panels?

[teh_klev]

Now you just added another USD100M to the cost of the mission ;)