A spacecraft no larger than a small car, launched the year Star Wars came out, is still moving outward at 38,000 miles per hour far beyond the orbit of Pluto — and the radio signals it sends home, traveling at the speed of light, now take more than 23 hours to reach the engineers who built it, most of whom are no longer alive
Voyager 1 has been in flight for longer than most of the people on Earth have been alive.…
