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#12
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Quote:
Probes and robots are great and for some missions, especially to the outer solar system, they are pretty much the only way to go. But sensors on those probes, landers, and unmanned vehicles only measure what they are designed to measure. As an analogy, think of it this way: you are the custodian or security guard at a facility, and you are patrolling it. Remote sensors and cameras can tell operators if anything is moving, what the temperature is, humidity, etc. But it would take a security guard walking the halls to say, "I smell something -- there might be a gas leak and we'd better call the gas company and fire department." Only a human can gain information that we are surprised by -- the same information could not anticipate so as to design an adequate unmanned vehicle. |