ON THIS DAY IN OCCULT HISTORY June 9 Johann Galle & the Occult Neptune (Affiliate disclosure: Some links on this blog may earn us a small commission at no cost to you. Every bit helps keep the lantern lit.) He discovered it “with the point of his pen.” Or so claimed French astronomer François Arago , describing his colleague Urbain Le Verrier ’s achievement in predicting the existence and position of an unknown planet entirely through mathematical calculations—before any human eye could confirm it was there. It was during the summer of 1846 that Le Verrier noticed that the orbit of Uranus had been behaving strangely. Something else was out there, he suspected, pulling Uranus off its predicted course. He surmised another planet must exist, and so wrote a letter to a German astronomer he had never met, and asked him to look. That astronomer was Johann Gottfried Galle, born in Radis, Prussia on this date in 1812. Galle received Le Verrier’s letter on the morning o...