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View Full Version : Rosetta Sees Fascinating Changes in Comet 67P



Fraser
2015-Feb-02, 09:50 PM
It only makes sense. Sunlight heats a comet and causes ice to vaporize. This leads to changes in the appearance of surface features. For instance, the Sun’s heat can gnaw*away at the ice on sunward-facing cliffs, hollowing them out and eventually causing them to collapse in icy rubble.*Solar heating can also warm the ice that’s*beneath […]

More... (http://www.universetoday.com/118708/rosetta-sees-fascinating-changes-in-comet-67p/)