What does the deepest part of the ocean sound like? Listen here!

Scientists were curious what the deepest part of the ocean sounds like, so they dropped a microphone encased in a titanium shell into the deepest part of the ocean the Mariana Trench. The sounds they detected were surprising.

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LOS ANGELES, CA (California Network) - Scientists from NOAA assumed that a microphone more than six miles down on the floor of the Mariana Trench would detect virtually nothing. They expected the spot to be among the quietest on Earth. Instead, they heard clear sounds from very far away.

Among the sounds they detected were ship's propellers, a category 5 earthquake, and a variety of whale calls. Even a category 4 typhoon passed overhead, and the microphone detected the violence on the surface, miles above.

Sound travels quite far underwater, something naval personnel have known for a very long time. This is because water is denser than air an conducts sound waves very efficiently.

Click here to visit LiveScience and listen to their audio clip of collected sounds.

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