Mars Exploration Said to Get More Efficient
The Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) instrument
European Space Agency's (ESA) Mars Express spacecraft is set to get a major software upgrade
The Mars Express was ESA's first mission to Mars, launched on June 2, 2003
it has been equipped with the MARSIS instrument that had discovered signs of liquid water
the MARSIS sends low-frequency radio waves toward the planet using a 40-metre-long
While most of these waves get reflected back from the surface of Mars, some manage to penetrate
The reflected signals are then studied by scientists who are able to map the structure
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