Voyager spacecraft detects 'persistent hum' beyond our solar system
CNN
One of the Earth's longest-flying spacecraft has detected a "persistent hum" beyond our solar system, according to a new study.
NASA's Voyager 1 launched on September 5 1977, from Cape Canaveral, Florida, aboard a Titan-Centaur rocket, just weeks after its sister craft, Voyager 2. Although they were initially designed to last five years, more than 43 years after they launched, the crafts are still sending back data as they explore interstellar space. Instruments aboard Voyager 1, which has moved past the edge of the solar system, through the solar system's border with interstellar space, known as the heliopause, and into the interstellar medium, have detected the sounds of plasma waves, according to research published Monday in the journal Nature Astronomy.More Related News