NASA's Voyager 1 is about to become humanity's first object to reach one light-day from Earth.
That's a mind-blowing distance of more than 16 billion miles.
(AP Video/Shelby Lum)
NASA's Voyager 1 is about to become humanity's first object to reach one light-day from Earth. That's a mind-blowing distance of more than 16 billion miles. (AP Video/Shelby Lum)
