Voyager contained its own description, in elaborate and exhaustive detail. It described Earth in images, and described how to read those images. It built itself recursively, through self-description, just like DNA did. DNA’s helical loop was wrought onto the record, next to pictures of cells and cell division. There was a fertilised ovum, a foetus, a newborn child. A diagram illustrating continental drift appeared next to a photograph of a young woman in a supermarket. There was a telescope, a microscope, a seashell, a leaf, a house being constructed, a large factory interior, dolphins, larger
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