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Can You Hear Sound in Space?

By ScienceABCFrom boclips.com
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Space is full of radio waves, plasma waves, magnetic waves, gravitational waves, and shock waves, all of which can travel in space without a medium. These waves are recorded by instruments that can sense these waves, and the data is transferred to earth-based stations, where the waves are sound coded. Sound waves, on the other hand, travel by vibrating the particles in a medium, i.e., molecules of air. These vibrations are passed on to consecutive particles in the medium, meaning that sound waves cannot travel without a medium. Therefore we cant directly hear sound in the space. However, through sonification, we can convert non-auditory data into sound and hear them. NASA has an instrument called the EMFISIS (Electric and Magnetic Field Instrument Suite and Integrated Science) plugged into its specialized spacecraft that measures magnetic and electric interference as they circle the earth. There are three electric sensors that measure the electric disturbances and three magnetrons that measure the fluctuations in magnetic fields. Some of the electromagnetic waves lie in the audible frequency range, which works as a base for scientists to translate the remaining recorded frequencies in the audible range in order to interpret data.

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