NASA's Perseverance rover is taking a road trip across Mars, heading for a new and exciting location.
NASA’s Perseverance rover is taking a road trip across Mars, heading for a new and exciting location. The aim is for the rover to travel faster than previous rovers, making use of its self-driving system. This should enable the rover to cover the three miles to the Jezero Crater delta, which is the site of an ancient river delta which is a great site to look for evidence of ancient life, at top speed.
To navigate its way through the crater, Perseverance makes use of its auto-navigation system. This uses information collected by the rover’s cameras to construct a 3D map of the terrain, which helps to plot safe driving routes. While human drivers still oversee the rover’s progress, this system has allowed Perseverance to travel further in one day than any rover before.
This is enabled by improved hardware, like faster cameras and a dedicated image processing computer. “On past rovers, autonomy meant slowing down because data had to be processed on a single computer,” Maimone said. “This extra computer is insanely fast compared to what we had in the past, and having it dedicated for driving means you don’t have to share computing resources with over 100 other tasks.
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