MARSIS MARSIS MARSIS (Mars Advanced Radar for Subsurface and Ionosphere Sounding) is a low frequency, pulse-limited radar sounder and altimeter developed by the University of Rome La Sapienza and Alenia Spazio (today Thales Alenia Space Italy). The Italian MARSIS instrument is operational on the European Space Agency, "Mars Express" orbiter mission. The MARSIS Principal Investigator is Giovanni Picardi from the University of Rome "La Sapienza", Italy. It features ground-penetrating radar capabilities, which uses synthetic aperture techniques and a secondary receiving antenna to isolate subsurface reflections. MARSIS identified buried basins on Mars. MARSIS was funded by ASI (Italy) and NASA (USA). On
La Salle University students for a full week before classes begin and have no formal day during the summer for orientation. La Salle alumni have earned numerous accolades, scholarships, and titles including an Emmy award, a Pulitzer Prize, six Olympic gold medals, a Marshall scholarship, about one-hundred Fulbright scholarships, and more. La Salle has two alumni currently serving in the United States House of Representatives along with about a dozen representatives in the Pennsylvania General Assembly and one on the Philadelphia City Council. La Salle University La Salle University is a private, Roman Catholic university in Philadelphia, Pennsylvania. Named for St. Jean-Baptiste de