How many revolutions does the cog of culture make before a new truth about reality catches into gear?
Johannes Kepler (December 27, 1571–November 15, 1630) would disprove the belief that the sun revolves around the Earth every twenty-four hours, coin the word orbit, and quarry the marble out of which classical physics would be sculpted. He would be the first astronomer to develop a scientific method of predicting eclipses and the first to link mathematical astronomy to material reality — the first astrophysicist — by demonstrating that physical forces move the heavenly bodies in calculable ellipses. All of this he would accomplish while drawing horoscopes, espousing the spontaneous creation of new animal species rising from bogs and oozing from tree bark, and believing the Earth itself to be an ensouled body that has digestion, that suffers illness, that inhales and exhales like a living organism. Three centuries later, the marine biologist and writer Rachel Carson would reimagine a version of this view woven of science and stripped of mysticism as she makes ecology a household word.
In 1609, Johannes Kepler finished the first work of genuine science fiction — that is, imaginative storytelling in which sensical science is a major plot device. Somnium, or The Dream, is the fictional account of a young astronomer who voyages to the Moon. Rich in both scientific ingenuity and symbolic play, it is at once a masterwork of the literary imagination and an invaluable scientific document, all the more impressive for the fact that it was written before Galileo pointed the first spyglass at the sky and before Kepler himself had ever looked through a telescope.
Kepler knew what we habitually forget — that the locus of possibility expands when the unimaginable is imagined and then made real through systematic effort. Centuries later, in a 1971 conversation with Carl Sagan and Arthur C. Clarke about the future of space exploration, science fiction patron saint Ray Bradbury would capture this transmutation process perfectly: “It’s part of the nature of man to start with romance and build to a reality.”
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