The European Space Agency has heard the song of Comet 67P/Churyumov-Gerasimenko and captured the tune with the Rosetta spacecraft, according to Space.com.
The spacecraft was able to hear the song, but the frequency is way lower than what the human ear could pick up. According to Space.com, the sound frequency was increased by 10,000 in order to make it audible.
The song is produced by "oscillations in the magnetic field in the comet's environment," ESA officials said, according to Space.com, but scientists aren't 100 percent sure how the oscillations work.
"This is exciting because it is completely new to us," said Karl-Heinz Glaßmeier, head of Space Physics and Space Sensorics at the Technische Universität Braunschweig, Germany, according to Space.com. "We did not expect this and we are still working to understand the physics of what is happening."
