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Browsing by Author "Gaskell, R."

Browsing by Author "Gaskell, R."

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  • Dawn at Vesta: Testing the Protoplanetary Paradigm 
    Russell, C. T.; Raymond, C. A.; Coradini, A.; McSween, H. Y.; Zuber, M. T.; Nathues, A.; de Sanctis, M. C.; Jaumann, R.; Konopliv, A. S.; Preusker, F.; Asmar, S. W.; Park, R. S.; Gaskell, R.; Keller, H. U.; Mottola, S.; Roatsch, T.; Scully, J. E. C.; Smith, D. E.; Tricarico, P.; Toplis, M. J.; Christensen, U. R.; Feldman, W. C.; Lawrence, D. J.; McCoy, Timothy J.; Prettyman, T. H.; Reedy, R. C.; Sykes, M. E.; Titus, T. N. (2012)
    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 that indicate a ...
  • Geologic Context of the OSIRIS-REx Sample Site from High-resolution Topography and Imaging 
    Barnouin, O. S.; Jawin, Erica R.; Daly, R. T.; Ballouz, R. L.; Daly, M. G.; Seabrook, J. A.; Michel, P.; Zhang, Y.; Johnson, C. L.; Walsh, K. J.; Al Asad, M. M.; Gaskell, R.; Weirich, J.; Palmer, E.; Bierhaus, E. B.; Nolan, M. C.; Wolner, C. W. V.; Lauretta, D. S. (2022)
    Abstract The OSIRIS-REx spacecraft collected a surface sample from Hokioi crater (55.8° N, 42.3° E; diameter ~20 m) on the asteroid Bennu in 2020 October. We explore the geology of the sample collection site, known as ...
  • Hemispherical differences in the shape and topography of asteroid (101955) Bennu 
    Daly, M. G.; Barnouin, O. S.; Seabrook, J. A.; Roberts, J.; Dickinson, C.; Walsh, K. J.; Jawin, Erica E.; Palmer, E. E.; Gaskell, R.; Weirich, J.; Haltigin, T.; Gaudreau, D.; Brunet, C.; Cunningham, G.; Michel, P.; Zhang, Y.; Ballouz, R. -L; Neumann, G.; Perry, M. E.; Philpott, L.; Al Asad, M. M.; Johnson, C. L.; Adam, C. D.; Leonard, J. M.; Geeraert, J. L.; Getzandanner, K.; Nolan, M. C.; Daly, R. T.; Bierhaus, E. B.; Mazarico, E.; Rozitis, B.; Ryan, A. J.; Dellaguistina, D. N.; Rizk, B.; Susorney, H. C. M.; Enos, H. L.; Lauretta, D. S. (2020)
    We investigate the shape of near-Earth asteroid (101955) Bennu by constructing a high-resolution (20 cm) global digital terrain model from laser altimeter data. By modeling the northern and southern hemispheres separately, ...

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