Submitted by full_hammer t3_10eku2h in askscience
soul1001 t1_j4ujofk wrote
Reply to comment by Butterfly-greytrain in What happens to the energy of sound in space? by full_hammer
Exactly. Astronauts will put their helmets together if they want to talk and can’t get a radio signal through (the helmets touching gives them something for the sound to travel through)
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