The term “robot” is derived from a Czech word meaning “forced labor,” and got its modern meaning from the 1920 play “R.U.R.” (Rossum’s Universal Robots) by Czech playwright Karel čapek. Simply said, a robot is a mechanism that works according to logical, programmed rules. According to this definition, all spacecraft are robots, and robots have now been exploring the Solar System for nearly half a century.
KeywordsSolar System Space Probe Rocket Engine Solar Array Electric Propulsion
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