Through some kind of interaction in the comets environment, 67Ps weak magnetic field seems to be oscillating at low frequencies. In an effort to better understand this unique song, mission scientists have increased the frequency 10,000 times to make it audible to the human ear. Rosetta scientists speculate that the oscillations may be driven by the ionisation of neutral particles from the comets jets. As they are released into space, they collide with high-energy particles from interplanetary space and become ionised. Because it is electrically charged, the plasma then interacts with the cometary magnetic field, causing oscillations. But to draw any conclusions about this, further work is needed. https://soundcloud/esaops/a-singing-comet
Posted on: Thu, 13 Nov 2014 22:36:26 +0000
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