Anacoustic zone
id:
anacoustic-zone-237-123485
title:
Anacoustic zone
text:
The anacoustic zone, also known as the zone of silence, is the region of the atmosphere of Earth above about 160 kilometers (99 mi) where the air density becomes so low that air molecules are not close enough to support transmission of sound waves within the hearing range. As altitude increases through the atmosphere, the first sound waves to disappear are the high pitched, high-frequency ones. At a certain altitude even the lowest frequency tone that can be heard by a human being no longer can
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Anacoustic_zone
date created:
date modified:
2021-02-03T10:03:16Z
main entity:
{"identifier":"Q4750719","url":"https://www.wikidata.org/entity/Q4750719"}
image:
fields total:
13
integrity:
13