Horizon

Season 50 Episode 4: How Big Is the Universe?

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.

Genre:

Documentary

Seasons:

62

Episodes:

1174

Actor:

Quality:

HD

Status:

Returning Series

First Air:

1964

IMDb:

7.5