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Comets and Enceladus -- Similar Chemistry
03.26.08
Enceladus' plume was found to have a comet-like chemistry

Enceladus' plume was found to have a comet-like chemistry by Cassini's Ion and Neutral Mass Spectrometer during its fly-through of the plume on Mar. 12, 2008. Water vapor, methane, carbon monoxide, carbon dioxide, simple organics and complex organics were identified in the plume. The graph shows the chemical constituents in percentage of abundance found in comets compared to those found in Enceladus' plume.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The Ion and Neutral Mass Spectrometer was designed and built at Southwest Research Institute (SwRI), and the team is at SwRI in San Antonio, Tex.

For more information about the Cassini-Huygens mission visit http://saturn.jpl.nasa.gov.

Credit: NASA/JPL/SwRI

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