Kaff Zarnak

 was a planet on the way to legion. It used to be a tropical paradise where once Ray took his wife on holiday. It has since become a frozen world, because the moon of the neighbouring planet was knocked out of its orbit then dragged it out of orbit and the temperature fell by 50 degrees in 4 weeks. The Sandroaches were the only animal to survive the big freeze. (AUDIO: Paradise Frost)