Here’s a bit of space spookiness just in time for the Halloween season! It’s a recording of the intense radio emissions coming from Saturn, as detected by the Cassini spacecraft’s radio and plasma wave science instrument on November 22, 2003.
Not exactly a direct audio recording (since Cassini is in space where there’s no “sound” like we hear) these eerie sounds are tonal interpretations of Saturn’s fluctuating radio emissions, which are closely related to the planet’s auroral activity. The frequencies have been shifted downwards by a factor of 44 to make them audible to our ears.
Time on this recording has been compressed, so that 73 seconds corresponds to 27 minutes.
Sounds eerily like the effects from an old “B” sci-fi movie! All we need now are the bug-eyed alien zombies…
Read more about this recording here.
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