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  • Dawn arrives at Ceres: Expl... Dawn arrives at Ceres: Exploration of a small, volatile-rich world
    Russell, C. T.; Raymond, C. A.; Ammannito, E. ... Science, 09/2016, Volume: 353, Issue: 6303
    Journal Article
    Peer reviewed
    Open access

    On 6 March 2015, Dawn arrived at Ceres to find a dark, desiccated surface punctuated by small, bright areas. Parts of Ceres' surface are heavily cratered, but the largest expected craters are absent. ...
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  • Extensive water ice within ... Extensive water ice within Ceres’ aqueously altered regolith
    Prettyman, T. H.; Yamashita, N.; Toplis, M. J. ... Science (American Association for the Advancement of Science), 01/2017, Volume: 355, Issue: 6320
    Journal Article
    Peer reviewed

    The surface elemental composition of dwarf planet Ceres constrains its regolith ice content, aqueous alteration processes, and interior evolution. Using nuclear spectroscopy data acquired by NASA’s ...
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  • In Situ Evidence for an Anc... In Situ Evidence for an Ancient Aqueous Environment at Meridiani Planum, Mars
    Squyres, S. W.; Grotzinger, J. P.; Arvidson, R. E. ... Science, 12/2004, Volume: 306, Issue: 5702
    Journal Article
    Peer reviewed
    Open access

    Sedimentary rocks at Eagle crater in Meridiani Planum are composed of fine-grained siliciclastic materials derived from weathering of basaltic rocks, sulfate minerals (including magnesium sulfate and ...
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  • Dawn at Vesta: Testing the ... Dawn at Vesta: Testing the Protoplanetary Paradigm
    Russell, C. T.; Raymond, C. A.; Coradini, A. ... Science (American Association for the Advancement of Science), 05/2012, Volume: 336, Issue: 6082
    Journal Article
    Peer reviewed

    The Dawn spacecraft targeted 4 Vesta, believed to be a remnant intact protoplanet from the earliest epoch of solar system formation, based on analyses of howardite-eucrite-diogenite (HED) meteorites ...
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  • Vesta's Shape and Morphology Vesta's Shape and Morphology
    Jaumann, R.; Williams, D. A.; Buczkowski, D. L. ... Science (American Association for the Advancement of Science), 05/2012, Volume: 336, Issue: 6082
    Journal Article
    Peer reviewed

    Vesta's surface is characterized by abundant impact craters, some with preserved ejecta blankets, large troughs extending around the equatorial region, enigmatic dark material, and widespread mass ...
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  • Distribution of phyllosilic... Distribution of phyllosilicates on the surface of Ceres
    Ammannito, E.; DeSanctis, M. C.; Ciarniello, M. ... Science (American Association for the Advancement of Science), 09/2016, Volume: 353, Issue: 6303
    Journal Article
    Peer reviewed

    The dwarf planet Ceres is known to host phyllosilicate minerals at its surface, but their distribution and origin have not previously been determined. We used the spectrometer onboard the Dawn ...
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  • Effects of H2O, pH, and oxi... Effects of H2O, pH, and oxidation state on the stability of Fe minerals on Mars
    King, P. L.; McSween Jr, H. Y. Journal of Geophysical Research - Planets, December 2005, Volume: 110, Issue: E12
    Journal Article, Conference Proceeding
    Peer reviewed
    Open access

    On Mars, there is evidence that solutions may have been present on the surface episodically in the past. These solutions were derived by weathering minerals such as olivine and sulfides found in ...
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  • The Violent Collisional His... The Violent Collisional History of Asteroid 4 Vesta
    Marchi, S.; McSween, H. Y.; O'Brien, D. P. ... Science (American Association for the Advancement of Science), 05/2012, Volume: 336, Issue: 6082
    Journal Article
    Peer reviewed

    Vesta is a large differentiated rocky body in the main asteroid belt that accreted within the first few million years after the formation of the earliest solar system solids. The Dawn spacecraft ...
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  • Localized aliphatic organic... Localized aliphatic organic material on the surface of Ceres
    De Sanctis, M. C.; Ammannito, E.; McSween, H. Y. ... Science (American Association for the Advancement of Science), 02/2017, Volume: 355, Issue: 6326
    Journal Article
    Peer reviewed

    Organic compounds occur in some chondritic meteorites, and their signatures on solar system bodies have been sought for decades. Spectral signatures of organics have not been unambiguously identified ...
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  • Spectroscopic Characterizat... Spectroscopic Characterization of Mineralogy and Its Diversity Across Vesta
    De Sanctis, M. C.; Ammannito, E.; Capria, M. T. ... Science (American Association for the Advancement of Science), 05/2012, Volume: 336, Issue: 6082
    Journal Article
    Peer reviewed

    The mineralogy of Vesta, based on data obtained by the Dawn spacecraft's visible and infrared spectrometer, is consistent with howardite-eucrite-diogenite meteorites. There are considerable regional ...
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