MARSIS below the southern polar ice cap, and extending horizontally about , the first known stable body of water on Mars. 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
La Trobe University La Trobe University La Trobe University is an Australian, multi-campus, public research university with its flagship campus located in the Melbourne suburb of Bundoora. The university was established in 1964, becoming the third university in the state of Victoria and the twelfth university in Australia. La Trobe is a verdant university and a member of the Innovative Research Universities. La Trobe's original and principal campus is located in the Melbourne metropolitan area, within the northern Melbourne suburb of Bundoora. It is the largest metropolitan campus in the country. It has two other major campuses located in the regional Victorian city