How Big Is the Universe? A Journey Through Space for Sleep
Published: September 24, 2026
Duration: 1:07:21
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...
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...