Pitted terrains on (1) Ceres and implications for shallow subsurface volatile distribution

Prior to the arrival of the Dawn spacecraft at Ceres, the dwarf planet was anticipated to be ice-rich. Searches for morphological features related to ice have been ongoing during Dawn's mission at Ceres. Here we report the identification of pitted terrains associated with fresh Cerean impact cr...

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Veröffentlicht in:Geophysical research letters. - 1984. - 44(2017), 13 vom: 16. Juli, Seite 6570-6578
1. Verfasser: Sizemore, H G (VerfasserIn)
Weitere Verfasser: Platz, T, Schorghofer, N, Prettyman, T H, De Sanctis, M C, Crown, D A, Schmedemann, N, Neesemann, A, Kneissl, T, Marchi, S, Schenk, P M, Bland, M T, Schmidt, B E, Hughson, K H G, Tosi, F, Zambon, F, Mest, S C, Yingst, R A, Williams, D A, Russell, C T, Raymond, C A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Geophysical research letters
Schlagworte:Journal Article Ceres craters geomorphology ground ice pitted terrain volatiles
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520 |a Prior to the arrival of the Dawn spacecraft at Ceres, the dwarf planet was anticipated to be ice-rich. Searches for morphological features related to ice have been ongoing during Dawn's mission at Ceres. Here we report the identification of pitted terrains associated with fresh Cerean impact craters. The Cerean pitted terrains exhibit strong morphological similarities to pitted materials previously identified on Mars (where ice is implicated in pit development) and Vesta (where the presence of ice is debated). We employ numerical models to investigate the formation of pitted materials on Ceres and discuss the relative importance of water ice and other volatiles in pit development there. We conclude that water ice likely plays an important role in pit development on Ceres. Similar pitted terrains may be common in the asteroid belt and may be of interest to future missions motivated by both astrobiology and in situ resource utilization 
650 4 |a Journal Article 
650 4 |a Ceres 
650 4 |a craters 
650 4 |a geomorphology 
650 4 |a ground ice 
650 4 |a pitted terrain 
650 4 |a volatiles 
700 1 |a Platz, T  |e verfasserin  |4 aut 
700 1 |a Schorghofer, N  |e verfasserin  |4 aut 
700 1 |a Prettyman, T H  |e verfasserin  |4 aut 
700 1 |a De Sanctis, M C  |e verfasserin  |4 aut 
700 1 |a Crown, D A  |e verfasserin  |4 aut 
700 1 |a Schmedemann, N  |e verfasserin  |4 aut 
700 1 |a Neesemann, A  |e verfasserin  |4 aut 
700 1 |a Kneissl, T  |e verfasserin  |4 aut 
700 1 |a Marchi, S  |e verfasserin  |4 aut 
700 1 |a Schenk, P M  |e verfasserin  |4 aut 
700 1 |a Bland, M T  |e verfasserin  |4 aut 
700 1 |a Schmidt, B E  |e verfasserin  |4 aut 
700 1 |a Hughson, K H G  |e verfasserin  |4 aut 
700 1 |a Tosi, F  |e verfasserin  |4 aut 
700 1 |a Zambon, F  |e verfasserin  |4 aut 
700 1 |a Mest, S C  |e verfasserin  |4 aut 
700 1 |a Yingst, R A  |e verfasserin  |4 aut 
700 1 |a Williams, D A  |e verfasserin  |4 aut 
700 1 |a Russell, C T  |e verfasserin  |4 aut 
700 1 |a Raymond, C A  |e verfasserin  |4 aut 
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