NASA’s Voyager 1 detects faint, monotone hum beyond our solar system
This artist’s depiction imagines what Voyager 1 looked like when crossing into interstellar space. NASA/JPL-Caltech NASA’s Voyager 1, the farthest spacecraft from Earth, said farewell to the solar system almost a decade ago, passing through an invisible door some 11 billion miles from Earth and crossing into interstellar space. Since then, it’s tacked on another 3 billion
