Just when I thought Iapetus had to be the weirdest moon in the known universe - Saturn produces some flying Saucers:
http://www.msnbc.msn.com/id/22133290/
http://www.eurekalert.org/multimedia/pub/6125.php
http://www.eurekalert.org/multimedia/pub/6123.php
http://www.msnbc.msn.com/id/22133290/
http://www.eurekalert.org/multimedia/pub/6125.php
http://www.eurekalert.org/multimedia/pub/6123.php