A Pale Blue Dot and the God Who Remembers

In 1990, the Voyager 1 spacecraft was hurtling past Saturn, nearly four billion miles from home, when astronomer Carl Sagan convinced NASA to turn the camera around. The resulting photograph showed Earth as a tiny speck — a fraction of a pixel — suspended in a beam of scattered sunlight. Sagan called it "a pale blue dot," and the image humbled an entire generation.…