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THE REDNESS OF THE RINGS REMAINS A MYSTERY; IT IS VARIOUSLY ASCRIBED TO OXIDIZED IRON OR TO ORGANICS (SEE CUZZI ET AL 2010). THESE VERY DIFFERENT MATERIALS CARRY IMPLICATIONS FOR THE ORIGIN OF THE RINGS THEIR RELATIONSHIP AND EVOLUTION. WE PROPOSE TO: A) ANALYZE THE SPECTRAL SIGNATURE OF THE NON-ICY MATERIAL(S) THAT CONTRIBUTE TO THE COMPOSITION OF THE RINGS OF SATURN IN VIMS SPECTRA AND B) PERFORM A COMPARATIVE ANALYSIS OF THE SIGNATURES OF THE NON-ICY COMPONENTS OF THE RINGS TO BE PERFORMED AS A FUNCTION OF DISTANCE FROM SATURN. THE HYDROCARBON BANDS CHARACTERIZING THE ORGANIC MATERIAL WILL BE EXTRACTED FOLLOWING A TECHNIQUE STEMMING FROM THE ONE TUNED AND CALIBRATED WITH THE STUDY OF IAPETUS PHOEBE AND HYPERION (DALLE ORE ET AL. 2012). THE OBTAINED HYDROCARBON SPECTRA WILL CONTRIBUTE TO THE INVENTORY OF MATERIALS IN THE SATURN SYSTEM. THEY WILL BE COMPARED TO SPECTRA OF OTHER SOURCES IN THE SOLAR SYSTEM AS WELL AS THE INTERSTELLAR MEDIUM (ISM) AND THE LABORATORY TRACING THE ORIGIN AND EVOLUTION OF THE MATERIAL IN THE SATURN SYSTEM AND ENHANCING THE SCIENTIFIC RETURN OF THE CASSINI MISSION THE MAIN GOAL OF THE CDAPS PROGRAM.

$122,063FY2017National Aeronautics and Space AdministrationNASA

Seti Institute, Mountain View CA

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