Thirty years ago, a small probe fell into the largest planet in our solar system and spent less than an hour transmitting the only direct measurements humanity has ever taken inside Jupiter's atmosphere. The Galileo probe's 1995 descent — surviving temperatures hotter than the sun's surface before being swallowed forever — gave science a precise but singular portrait of one vertical column in a world of infinite complexity. That the probe happened to fall through an unusually dry, cloud-sparse region reminds us how often our first glimpse of something vast is also, inevitably, a glimpse of jus