How Humans Discovered the Universe (Full Story) How did humans go from staring at the night sky in fear… to measuring the Earth with shadows, to discovering planets, to walking on the Moon, and finally sending messages into deep space? This video is a full, cinematic journey through the entire story of how we discovered the Universe — inspired by Carl Sagan’s legendary book Cosmos.From Eratosthenes measuring Earth with a stick, to Copernicus and Kepler unlocking the Solar System, to Einstein ben