The Pale Blue Dot

Carl Sagan was a man of extraordinary vision — and what is more, a man who helped others to see more clearly. Here’s Sagan’s meditation on that little speck seen in this image taken from a distance of 6.4 billion kms from earth, the place we call home. The image was taken by Voyager 1 (launched 1977) in 1990 on its way out of the solar system. It shows earth as if it were a “mote of dust suspended in a sunbeam.” Sagan had persuaded NASA to command the spacecraft to capture this image. He explained the significance of that picture in his 1994 book, The Pale Blue Dot. See below for a reading of that bit by Sagan.
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