Sound doesn't travel in space.
Sound doesn't travel in space. is a Space Fact in the Space Facts category.
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Fact Information
Sound waves need some medium to propagate through, and in space there isn't much there. It isn't a complete vacuum, but there needs to be a certain density of molecules to vibrate in order to produce and transmit sound and the density isn't high enough in space.
Fact Tags
Tags: Space, Sound, Interesting
Fact Comments
379 days ago
Alisa
that is cool, i didn't know that!!!
356 days ago
lily
wow i didn't know that i thought it did travel through space
352 days ago
Greg.A
thats becasue their is soooo much gravity in space, sound cant and wont get through
351 days ago
george lee
star wars is no longer in my favorite pile 
351 days ago
george lee
and its not coz theres no gravity, in fact there is gravity, its just low. and sound travels through air no because of gravity. there's no air in space, because it is a vacuum
326 days ago
pacman
charlie chaplin should have done a sci fi movie be like real life
319 days ago
Anonymous
its because space is a vacuum!
279 days ago
Anonymous
there is nothing for the sound to bounce off of (oxygen)
248 days ago
DUDES
SOOOOOOOOOOOOOO COOI HI RYAN!!!!!
220 days ago
cara
we are in the milky way
170 days ago
Ilir
thats because there is no matter for the sound waves to travel through.
168 days ago
crawleey
durp
165 days ago
Me
Sound travels as vibrations through the air. When you speak your voice makes the surrounding air vibrate and this is picked up by small hairs within your ears that send signals to your brain. In space there is no atmosphere and therefore no way for sound vibrations to reach your or someone elses ears.
56 days ago
Anonymous
Oh wow, that new for me.