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 Salle University neighbors with educational and entertaining programs. The station also serves as a hands-on teaching facility for students interested in the communication field. In 2009, La Salle 56 officially changed their name to La Salle TV due to a recent agreement with Verizon to carry the student television station. La Salle University gained the cable channel in 1991 as part of the franchise agreements between cable providers and the city of Philadelphia. The student television station is a main component of the Communication Department, which uses the department's technical facility and allows use students majoring in communication. Notable station alumni include