In the emptiness of space, Voyager I detects plasma 'hum'

Voyager 1 detects plasma "hum" in interstellar space

In the emptiness of space, Voyager 1 detects plasma 'hum'. Voyager 1—one of two sibling NASA spacecraft launched 44 years ago and now the most distant human-made object in space—still works and zooms toward infinity.

In the emptiness of space, Voyager I detects plasma 'hum'