'How to cook a comet'

The Washington Post
November 25, 2013 AT 3:00 PM
"A comet's journey through the solar system is perilous and violent. Before it reaches Mars—at some 230 million miles away from the sun—the radiation of the sun begins to cook off the frozen water ice directly into gas....Animators at NASA's Goddard Space Flight Center in Greenbelt, Md., created this short movie showing how the sun can cook a comet. Such a journey is currently being made by Comet ISON."