Who: Dr. R. Aileen Yingst is a Planetary Geologist and the Director of NASA's Wisconsin Space Grant Consortium What: Live chat about Mars / Moon / Jupiter's Moons When: Wednesday October 1, 2003 10:30 a.m. - 11:30 a.m. Central

Biography: Dr. R. Aileen Yingst's graduate research focused on issues of lunar volcanism and the surfaces of icy satellites, particularly Ganymede. Later, Dr. Yingst served on the Galileo mission to Jupiter and its moons, and worked closely with the Clementine lunar reconnaissance team. She spent two years with the Mars Atmospheric and Geologic Imaging Team at the University of Arizona, working as a geologist on the Mars Pathfinder and Mars Polar Lander missions. Dr. Yingst is now at the University of Wisconsin - Green Bay, where she continues her research in the surface composition of Mars and the interior workings of the Moon.