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Because there is no air. The soundwave is a mecanic wave, so it need a support in order to travel. The sound will be created by the movement of the atome in the air.


To propagate sounds through space, you have to make a medium made of ... Unlike EM waves, mechanical waves can't travel in vacuum, because for their ...


Oct 30, 2015 ... Sound Can Travel Through Space After All - But We Can't Hear It ... the potential to carry sound waves - we just aren't able to listen to them.

Oct 21, 2015 ... They can't travel through a vacuum. If a sound wave hits your ear and makes it vibrate, you hear the sound. Sound waves can be reflected by ...


Sep 20, 2012 ... ... the adjacent room but the light in adjacent room does not enter my room i.e. sound waves travels through the wall but light waves can't. Why?


Jun 21, 2016 ... ... (it's so fast that you can't usually see it), forcing the air all around it to vibrate as well. ... Sound, however, cannot travel through a vacuum: it always has to ... Top: Sound waves are longitudinal waves: the air moves back and ...


But to get to our ears, sound waves need to travel through the air, which vibrates. ... But if there's no particles, there's nothing to bump into, so sounds can't travel.


Nov 18, 2014 ... Because of this, the waves in a solid travel very very fast, and usually are too fast to be ... So most sound waves in solids are just pressure waves.


Sound can travel through any medium, but it cannot travel through a vacuum. ... A region of increased pressure on a sound wave is called a compression (or .... of hearing sounds between 20 Hz and 20 kHz (although I can't hear sounds above  ...


If there is no material (called a vacuum), there is no way for sound to travel, so you can't talk. Inside a space capsule or space station there is air ...