How Big Is the Universe? A Journey Through Space for Sleep

Podcast: Sleep Stories from the Pioneers · Pioneers of Human Behaviour

Opublikowano: 2026-09-24

How do you measure a universe you can never travel across? Settle beneath the stars for a calm, carefully researched journey through the history of how humans learned to measure the cosmos — from the size of the Earth to the farthest light we can observe. Tonight, we begin on an imagined autumn hill beneath the stars, with a blanket, a flask of tea and the warm lights of a village below. From there, we begin to build a ruler long enough to measure the universe. We start close to home with Er...