Mankind listens to the sounds of other planets, and what sounds makes the earth’s atmosphere? Believe they are no less mysterious and strange than the sounds of distant stars.
Listen to the sounds recorded in the stratosphere at a height of 35.4 km. These sounds have a very low frequency – less than 20 Hz – and are not audible to the human ear. Scientists have accelerated them 1,000 times and made them visible to human perception.