Nobel Peace Prize 1919

Woodrow Wilson: The Decider | American Experience | PBS

Woodrow Wilson's Legacy on Race

In 1965, when Arno Penzias and Robert Wilson detected a faint microwave signal across the sky, they realized they were listening to something extraordinary the ancient afterglow of the Big Bang. That signal, now known as the cosmic microwave background, was not just light. It was a snapshot of the universe as it existed nearly 14 billion years ago. The discovery revealed something profound about the cosmos. In space, distance is not only measured in kilometers or light-years. Distance is also ti

Discovery of cosmic microwave background radiation - Alchetron, the free social encyclopedia