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Out of This World


Geysers have been found on the moons of other planets in our solar system. Information gained from studying Yellowstone’s hydrothermal system may help scientists understand these other worlds.

Geysers composed of water vapor and ice particles shoot from the surface of Saturn’s moon Enceladus on the satellite’s south pole. It has been proposed that reservoirs of pressurized liquid water exist beneath the surface of Enceladus. Scientists think internal flexing of the moon due to changes in its orbit generates enough heat to create liquid water and fuel the eruptions.

NASA photo of Enceladus "Cold Faithful" fantasy poster
Graphic is courtesy of Dr. Tyler Nordgren, University of Redlands
Plumes can be seen erupting from the surface of Enceladus

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Drawing of the outside of the visitor center
Young Scientists
Yellowstone Express
Why Geysers Erupt
Hot Water Treasures
Hot Spring Ecology
Scientific Research

This work is supported by

National Science Foundation    Yellowstone Park Foundation

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