The lack of basic scientific knowledge in US society is pretty large. This question (at least in my opinion) is pretty easy to get right simply because the incorrect answers are magnitudes off. But anyone who paid attention to the Mars Rover program probably heard at some point
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that signals took between ~4-15 minutes to get to Mars and Jupiter would be roughly twice that.
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But maybe I'm way off and that question is difficult for most people to get right.
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