Cosmic Microwave Background Explained

Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Help translate our videos! 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? Watch this episode of PBS Space Time and find out! Extra Credit: CMG Scissored Pair ----------------------------------------­­­------------------------------- New SpaceTime episodes every Wednesday! Hosted by Gabe Perez-Giz Made by Kornhaber Brown (www.kornhaberbrown.com)