Iconic 'Pale Blue Dot' Recalled By Ann Druyan On Anniversary | Video

On Feb. 14th, 1990, the Voyager 1 probe snapped an image of Earth. The probe was more than 4 billion miles away at the time. Druyan, Carl Sagan's co-author and widow, talks about how impactful the image is on humanity. (Read More About The Iconic Image)

credit : NASA/JPL-Caltech