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[deleted] OP t1_ixzi39b wrote

Reply to comment by AxialGem in In the universe, sound is as rare as liquid water by [deleted]

There is no medium in space for sound to travel because well, it’s space. Contrary to popular movies.

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AxialGem t1_ixzjev1 wrote

True, true, sound can't travel if there's nothing through which to travel. But of course every time there is something, for example every star and planet in the universe, there is an opportunity for sound waves to travel. And that's obviously a lot more common than liquid water

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[deleted] OP t1_ixzk1xi wrote

Sound needs an atmosphere to travel.

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AxialGem t1_ixzlqob wrote

Why specifically an atmosphere?

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[deleted] OP t1_ixzm57t wrote

It’s a vibration that travels through air. I don’t know specifics but it needs an atmosphere.

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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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