Matches in DBpedia 2016-04 for { ?s ?p "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 aren't close enough to support transmission of sound waves within the hearing range.As we go up in the atmosphere, the first sound waves to disappear are the high pitched, high-frequency (short wavelength) ones."@en }
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- Anacoustic_zone comment "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 aren't close enough to support transmission of sound waves within the hearing range.As we go up in the atmosphere, the first sound waves to disappear are the high pitched, high-frequency (short wavelength) ones.".
- Q4750719 comment "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 aren't close enough to support transmission of sound waves within the hearing range.As we go up in the atmosphere, the first sound waves to disappear are the high pitched, high-frequency (short wavelength) ones.".