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
University of La Rioja University of La Rioja The University of La Rioja (UR) is a public institution of higher education based in Logroño, La Rioja, Spain. Inaugurated during 1992-1993 from various existing schools and colleges, it currently teaches Grades 19 adapted to the European Higher Education, and a varied program of masters, summer courses and courses of Spanish language and culture for foreigners. It has earned the Campus International Excellence for the project "Iberus" presented together with the public universities of Zaragoza, Navarra, and Lledia. The campus of the University of La Rioja is located in Logroño. Teaching, research and culture are activities