Communicating with a probe 25 billion kilometers away: the impossible challenge that NASA overcomes every day
⎯ ❤️2
Some numbers are hard to grasp and defy our imagination. Twenty-five billion kilometers, for example. That's the distance between us and Voyager 1 today. It's the man-made object farthest from us in the Universe. And yet, every day, NASA sends commands to this probe, and it responds! How is that possible? A traveler who set out in 1977 and is still on the road The Voyager 1 probe was launched on S…