Encke’s Comet, Celestial Poetics, and the Dawn of Popular Astronomy: How Emma Converse Became the Carl Sagan of the 19th Century — Brain Pickings

“The moment so long looked for may be nearer than we think, when, with a powerful grasp, like that of Newton, some watcher of the stars shall seize the secret of cometic history.” “A comet,” wrote Carl Sagan and Ann Druyan, “[is] a great clock, ticking out decades or geological ages once each perihelion passage,…

via Encke’s Comet, Celestial Poetics, and the Dawn of Popular Astronomy: How Emma Converse Became the Carl Sagan of the 19th Century — Brain Pickings

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