Submitted by [deleted] t3_z5yu1d in Showerthoughts
[deleted] OP t1_ixzm57t wrote
Reply to comment by AxialGem in In the universe, sound is as rare as liquid water by [deleted]
It’s a vibration that travels through air. I don’t know specifics but it needs an atmosphere.
AxialGem t1_ixzny6v wrote
Physicists usually use the term sound wave to mean acoustic waves in any medium, there is still sound under water for example
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