Voyager 1 Has Flown 22.8 Billion Kilometres Away, How Did It Manage To Send Its Signal Back To Earth?

Sep 30, 2024

The universe is so big, but man's range is so small that the furthest man has been so far is the moon, which is only 380,000 km away from earth on average. Of course, humans have also launched all kinds of probes, and if you include them, the range of human activities is much larger.