Curiosity now runs a software package called Autonomous Exploration for Gathering Increased Science, which helps it figure out what information to send back to Earth.
Interplanetary communication is slow. Curiosity's scientists say they hope they can cut down mission times by letting the rover decide on its own which discoveries are most important to send our way.
The rover has been partially autonomous since 2013, when scientists equipped it with autonomous navigation. It helps Curiosity determine the safest routes to drive on the Martian terrain.
But the rover has yet to become completely autonomous — much to Curiosity's dismay. Scientists back on Earth still tell the robot what to look for, like rocks and soil, as well as its ultimate destination. That's probably for the best.
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