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What you should know about Carl Sagan Day

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Photo of Carl Sagan

Carl Sagan

Photo of Carl Sagan Day

Carl Sagan Day

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Carl Sagan holding the Pioneer plaque in City Hall Plaza, March 1972

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"Think of the rivers of blood spilled by all those generals and emperors so that in glory and in triumph they could become the momentary masters of a fraction of a dot." Carl Sagan

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