4-th episode of 51-th season "Horizon"

What "Horizon" 4-th episode about

Cosmologists talk about their project to create a map of everything in existence, and also reveal that their research has some highly unexpected results, creating a picture stranger than anything they had ever imagined.

Episode number: 4

Episode name: "How Big Is the Universe?"

Episode release date: 27 august 2012 at 21:00

Status: aired