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Browsing by Author "O'Brien, David P."

Browsing by Author "O'Brien, David P."

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  • Color and Albedo Heterogeneity of Vesta from Dawn 
    Reddy, Vishnu; Nathues, Andreas; Le Corre, Lucille; Sierks, Holger; Li , Jian-Yang; Gaskell, Robert; McCoy, Timothy J.; Beck, Andrew W.; Schroeder, Stefan E.; Pieters, Carle M.; Becker, Kris J.; Buratti, Bonnie J.; Denevi, Brett; Blewett, David T.; Christensen, Ulrich; Gaffey, Michael J.; Gutierrez-Marques, Pablo; Hicks, Michael; Keller, Horst Uwe; Maue, Thorsten; Mottola, Stefano; McFadden, Lucy A.; McSween, Harry Y.; Mittlefehldt, David; O'Brien, David P.; Raymond, Carol; Russell, Christopher (2012)
    Multispectral images (0.44 to 0.98 mm) of asteroid (4) Vesta obtained by the Dawn Framing Cameras reveal global color variations that uncover and help understand the north-south hemispherical dichotomy. The signature of ...
  • Composition of the Rheasilvia basin, a window into Vesta's interior 
    McSween, Harry Y.; Ammannito, Eleonora; Reddy, Vishnu; Prettyman, Thomas H.; Beck, Andrew W.; De Sanctis, M. Cristina; Nathues, Andreas; Le Corre, Lucille; O'Brien, David P.; Yamashita, Naoyuki; McCoy, Timothy J.; Mittlefehldt, David W.; Toplis, Michael J.; Schenk, Paul; Palomba, Ernesto; Turrini, Diego; Tosi, Federico; Zambon, Francesca; Longobardo, Andrea; Capaccioni, Fabrizio; Raymond, Carol A.; Russell, Christopher T. (2013)
    The estimated excavation depth of the huge Rheasilvia impact basin is nearly twice the likely thickness of the Vestan basaltic crust, so the mantle should be exposed. Spectral mapping by the Dawn spacecraft reveals ...
  • Corrigendum to "Delivery of dark material to Vesta via carbonaceous chondritic impacts" [Icarus 221 (2012) 544–559] 
    Reddy, Vishnu; Le Corre, Lucille; O'Brien, David P.; Nathues, Andreas; Cloutis, Edward A.; Durda, Daniel D.; Bottke, William F.; Bhatt, Megha U.; Nesvorny, David; Buczkowski, Debra; Scully, Jennifer E. C.; Palmer, Elizabeth M.; Sierks, Holger; Mann, Paul J.; Becker, Kris J.; Beck, Andrew W.; Mittlefehldt, David; Li, Jian-Yang; Gaskell, Robert; Russell, Christopher T.; Gaffey, Michael J.; McSween, Harry Y.; McCord, Thomas B.; Combe, Jean-Philippe; Blewett, David T. (2013)
  • Delivery of Dark Material to Vesta via Carbonaceous Chondritic Impacts 
    Reddy, Vishnu; Corre, Lucille Le; O'Brien, David P.; Nathues, Andreas; Cloutis, Edward A.; Durda, Daniel D.; Bottke, William F.; Bhatt, Megha U.; Nesvorny, David; Buczkowski, Debra; Scully, Jennifer E. C.; Palmer, Elizabeth M.; Sierks, Holger; Mann, Paul J.; Becker, Kris J.; Beck, Andrew W.; Mittlefehldt, David; Li, Jian-Yang; Gaskell, Robert; Russell, Christopher T.; Gaffey, Michael J.; McSween, Harry Y.; McCord, Thomas B.; Combe, Jean-Philippe; Blewett, David (2012)
    NASA's Dawn spacecraft observations of asteroid (4) Vesta reveal a surface with the highest albedo and color variation of any asteroid we have observed so far. Terrains rich in low albedo dark material (DM) have been ...
  • Radial mixing and Ru-Mo isotope systematics under different accretion scenarios 
    Fischer, Rebecca A.; Nimmo, Francis; O'Brien, David P. (2018)
    The Ru-Mo isotopic compositions of inner Solar System bodies may reflect the provenance of accreted material and how it evolved with time, both of which are controlled by the accretion scenario these bodies experienced. ...

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