The singing comet

Sound_comet2

Yesterday’s big news of the European space probe Rosetta landing on Comet 67P/Churyumov-Gerasimenko got a musical encore: it seems to be singing!

When measuring and recording signals in the 40-50 milli hertz frequency (read: that’s a super low frequency which is not audible to humans), scientists discovered a rhythmic pattern in the signal. To make these low frequencies audible it was increased by a factor of 10,000.

See also the blogpost The Singing Comet of ESA.

(via)

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