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Mars probe running Windows 98 receives software update after two decades

Patch management for the latest versions of Windows might the concern of most of us located here on Earth, but meanwhile, the European Space Agency’s (ESA) Mars Express spacecraft has received the first update to its Window 98-based system in 19 years.

The mission was first launched to discover of signs of liquid water on Mars, including a suspected 20x30km lake of salty water buried under 1.5 km of ice in the red planet’s southern polar region.

The updates were conducted by engineers from the Istituto Nazionale di Astrofisica (INAF), Italy, and were fully funded by the Italian Space Agency (ASI).

What does this mean?

The agency said the upgrade will enable the spacecraft to view Mars and its moon Phobos with better levels of detail.

The Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) instrument on Mars Express sends low-frequency radio waves down towards the planet using its 40-metre long antenna.

Most of these waves are reflected from the planet’s surface, but significant amounts travel through the crust and are reflected at boundaries between layers of different materials below the surface, including ice, soil, rock, and water.

By examining the reflected signals, scientists can map the structure below the surface of Mars to a depth of a few kilometres and study properties such as the thickness and composition of its polar ice caps and the properties of volcanic and sedimentary rock layers.

The space agency didn’t go into a great deal of detail regarding the specs of the hardware receiving the update, however Tom's Hardware speculated it could have a Pentium 90 processor, meaning it could potentially run classic games such as Doom as well as explore the secrets of Mars.

“Previously, to study the most important features on Mars, and to study its moon Phobos at all, we relied on a complex technique that stored a lot of high-resolution data and filled up the instrument’s on-board memory very quickly,” said Andrea Cicchetti, the MARSIS deputy principal investigator and operation manager at INAF.

He added: “By discarding data that we don’t need, the new software allows us to switch MARSIS on for five times as long and explore a much larger area with each pass.”



Source: TechRadar

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