A famous photograph taken on 14 February 1990 by the…

A famous photograph taken on 14 February 1990 by the Voyager 1 probe, about six billion kilometres from home. At the urging of astronomer Carl Sagan, the spacecraft turned its camera back to capture a family portrait of the planets. In the image, Earth appears as a tiny speck, smaller than a pixel, caught in a band of scattered sunlight. Sagan later used it as the title of a book.

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