extraterrestrial noise

extraterrestrial noise

[¦ek·strə·tə′res·trē·əl ′nōiz]
(electromagnetism)
Cosmic and solar noise; radio disturbances from sources other than those related to the earth.
References in periodicals archive ?
Since then, the extraterrestrial noise we make is a screaming cacophony mad enough, I would have thought, to drive away any aliens and to warn them to keep their own communications - and therefore, evidence of their existence - to themselves.
The repeat spoon-fed cheers and almost nonstop, extraterrestrial noise level is totally out of line," the writer says.
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