Carl Sagan’s Pale Blue Dot

Pale Blue Dot: A Vision of the Human Future in Space The astronomer Carl Sagan is one of my intellectual heroes, and one of the great secularists of the twentieth century. In 1989, after both Voyager spacecraft had passed Neptune and Pluto, Sagan wanted a last picture of Earth from “a hundred thousand times” as far away as … Continue reading Carl Sagan’s Pale Blue Dot