Honolulu Star Bulletin - July 18, 2007
Astronomers using the Gemini telescope on top of Mauna Kea have discovered "ice volcanoes" on the little moon Charon circling the far distant dwarf planet Pluto, Gemini officials announced yesterday.
Liquid water from the interior of the moon bursts to the surface, where the minus-365 degree Fahrenheit temperature immediately turns it to ice crystals, Gemini officials said.
Gemini called it "an ice machine in the ultimate deep freeze."
The discovery was made by a team led by doctoral student Jason Cook at Arizona State University and published recently in the Astrophysical Journal.
...