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    How much do you know about Carl Sagan?

    What does the concept Pale blue dot represent?

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    A photo of Earth taken by Voyager 1 from a great distanceCorrect
    An image of the Sun from Mercury
    A photo of Jupiter taken by Galileo
    A comet photographed by Hubble

    The Pale Blue Dot is the distant image of Earth taken by Voyager 1.

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