Shock Temperatures from an Icy Mixture

dirty snowball Fred Whipple with a dirty snowball

Shock and Post-Shock Temperatures in an Ice-Quartz Mixture: Implications for Melting during Planetary Impact Events by Kraus, R. G., S. T. Stewart, A. Seifter, and A. W. Obst. Earth and Planetary Science Letters, in press, 2009. Manuscript PDF

Impact Basins and Magnetism on Mars

Mars Topography Topographic map of Mars
  • Impact demagnetization of the Martian crust: Current knowledge and future directions by Louzada, K. L., S. T. Stewart, B. P. Weiss, J. Gattacceca, R. J. Lillis, and J. S. Halekas, Earth and Planetary Science Letters, submitted, August 2009. Manuscript PDF
  • Shock and static pressure demagnetization of pyrrhotite and implications for the Martian crust by K. L. Louzada, S. T. Stewart, B. P. Weiss, J. Gattacceca, and N. S. Bezaeva, Earth and Planetary Science Letters, in revision, 2009. Submitted version: Manuscript PDF and Supplemental Materials PDF
  • Effects of Planet Curvature and Crust on the Shock Pressure Field around Impact Basins by K. L. Louzada and S. T. Stewart, Geophysical Research Letters, 36, L15203, doi:10.1029/2009GL037869, 2009. (PDF and auxiliary materials)

Asteroids and the Lunar Cataclysm

asteroids
  • Constraints on the Source of Lunar Cataclysm Impactors by Matija Cuk, Brett J. Gladman, and Sarah T. Stewart, Icarus, revised, 2009.
    Submitted version: Manuscript PDF
  • Dynamical Evolution of the Hungaria Asteroids by Firth M. McEachern, Matija Cuk, and Sarah T. Stewart, Icarus, in revision, 2009.
    Submitted version: Manuscript PDF

Cratering on Icy Satellites

Icy Satellites The Icy Galilean Satellites

Formation of Large Impact Craters

Crater Collapse Simulating crater collapse
  • Dynamic Fault Weakening and the Formation of Large Impact Craters by L. E. Senft and S. T. Stewart, Earth and Planetary Science Letters, 287, 471-482, doi:10.1016/j.epsl.2009.08.033, 2009. PDF, Movie 1, Movie 2 (Quicktime)

Giant Impacts

Giant Impact
  • The Formation of the Collisional Family around the Dwarf Planet Haumea by Z. M. Leinhardt, R. A. Marcus, and S. T. Stewart, Astrophysical Journal, submitted, 2009. (email for preprint)
  • Minimum Radii of Super-Earths: Constraints from giant impacts by R. A. Marcus, D. Sasselov, L. Hernquist, and S. T. Stewart, Astrophysical Journal Letters, submitted, 2009. Manuscript PDF
  • Collisional Stripping and Disruption of Super-Earths by R. A. Marcus, S. T. Stewart, D. Sasselov, and L. Hernquist, Astrophysical Journal Letters, 700, L118-L122, doi:10.1088/0004-637X/700/2/L118, 2009. PDF