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Johannes Kepler: Only One Sun

LEFT: “Portrait of Johannes Kepler,” 1620. RIGHT: Diagram of the universe of stars from Johannes Kepler’s ‘Epitome of Copernican Astronomy,’ showing a small sun (the dot at the center) surrounded by large stars.

PART I: When Giordano Bruno promoted the idea of a Plurality of Worlds, science was clearly against it, as Johannes Kepler took pains to point out.