studies the application of plasma physics and magnetohydrodynamics to
astrophysical systems. Recent research areas include the structure of
super-relativistic winds, which are emitted by a pulsar magnetosphere, and
the interaction of the wind with the surrounding supernova remnant.
is a Professor in the Departments of Earth and Space Sciences, Mathematics,
and Physics and Astronomy. His research focus is dynamical problems in the
solar system as well as other astrophysical environments.