Voyager 1 is almost one light-day away from Earth

–Popular Science 

NASA's interstellar space probe has traveled farther than any other human-made object. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Voyager 1, the NASA space probe that has traveled farther from Earth than any other human-made object, is closing in on a remarkable milestone. Actually, let's call it a milestone. That's the distance a photon can travel in a single day, which is to say the Voyager 1 spacecraft will be exactly one light-day away from our planet on November 18 at 5:18 a.m.