PBS Space Time

tv show

poster for PBS Space Time

409 total episodes

-

12 seasons

First Aired February 11, 2015

Overview

Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth.

Cosmic Microwave Background Explained poster unavailable

Cosmic Microwave Background Explained

Season 2015 - Episode 7 - 0h 8m

Air Date

March 25, 2015

Overview

HAS SPACE ALWAYS BEEN BLACK? As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when space was rapidly expanding, that dark night sky we know so well as actually…ORANGE! But why? Did the lights just go out, or did something more spectacular happen?