in 1990 he convinced nasa to turn voyager 1 around and photograph earth from six billion kilometers away. our planet showed up as a single pixel... he called it the pale blue dot. he wrote that every saint, every sinner, every emperor, every farmer, every dreamer you have ever heard of had lived their whole life on that one piece of dust. before that, he chaired the committee that decided what humanity should send to anyone who might find us. two voyager spacecraft. one golden record on each. music from 27 cultures, 55 greetings, the sound of a kiss. ann druyan was on his team. while sagan was traveling, she quietly had her own brain waves and her own heart sounds recorded for the disc, while specifically thinking about being in love with him. they were not a couple yet. those neural patterns are now traveling through interstellar space at thirty-six thousand miles per hour. he and ann married soon after. she is still alive. in 1985 he testified before the us senate about the greenhouse effect. thirteen years before kyoto. forty years before any of it would be a normal thing to argue about. his peers in the national academy of sciences kept refusing to elect him. they thought making the universe legible to taxi drivers and the merely curious was beneath the profession. 500 million people across sixty countries watched cosmos. he was the most famous scientist on earth and the academy still said no. he never actually said billions and billions. that line was johnny carson doing him on the tonight show. december 20, 1996. pneumonia. age 62. ann was holding his hand. if voyager 1 is ever opened, the loudest signal on the disc is a woman thinking about him. what carl sagan moment first made the universe feel real to you?