This still from a NASA video shows the Voyager 1 probe nearly 12 billion miles from the sun as it goes boldly into the final frontier of interstellar space as the farthest man-made object in human ... more 
This still from a NASA video shows the Voyager 1 probe nearly 12 billion miles from the sun as it goes boldly into the final frontier of interstellar space as the farthest man-made object in human history. less 
1 / 1
SPACE.com | Photo By NASA/JPL-Caltech
Mon, Sep 16, 2013 12:00 PM EDT