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Listen to the ‘song’ of a speeding comet

A few months before the European Space Agency successfully landed a probe on the surface of Comet 67P/Churyumov-Gerasimenko, scientists detected sound emanating from the cosmic mass that was soaring through space at 36,000 mph.

ESA captured the comet’s “song” using several instruments aboard the Rosetta spacecraft, which was speeding alongside the comet. And though the sound is outside the range of normal human hearing at 40 to 50 mHz, scientists boosted its frequency by a factor of 10,000.

In a statement, ESA officials said the sound is produced by “oscillations in the magnetic field in the comet’s environment.”

You can listen to those oscillations above.

PBS NewsHour Science Correspondent Miles O’Brien will have more on the Rosetta spacecraft’s mission on tonight’s show.

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