You think it's cold? The winter storm is nothing compared to these icy worlds

AUSTIN, TX (KXAN) -- Crippling cold weather is moving across the country, dropping temperatures to 16 degrees below zero in places like Forest Center, Montana, and 30 degrees in Austin.

An illustration of planets in our solar system showing their mean temperatures. Planets and dwarf planet Pluto are not to scale. (Credit: NASA)

Compared to other worlds, these low-freezing temperatures are actually kind of pathetic. In our solar system alone, Earth is one of only three worlds that...