Can People Hear Sound on the Moon?

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People cannot hear sound on the moon, just like they can't hear it in space. Find out if people can hear sound on the moon with help from an audio engineer in this free video clip.

Part of the Video Series: Audio & Sound
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Video Transcript

Hey, everybody! Joe Liptock, audio engineer. Today, I’m going to be talking about whether or not you can hear sound on the moon. I hate to break it to you guys, but you can’t hear sound on the moon. The reason being, is because sound needs a medium to propagate through. What does that mean? Well, here’s the situation: We’re on Earth, right? And, Earth has a complex system of atmospheres, you know? Gases that contain oxygen, nitrogen, carbon dioxide. When you speak to somebody in a room, the vibrations of the air pressure will travel through that atmosphere to the person’s ear and get translated, right? Well, the moon doesn’t have an atmosphere – it’s just a vacuum – so, there’s no medium for sound to propagate through. If you really want to be tricky though, you can have the sound propagate through the surface of the ground on the moon. That’s really the only way you’d be able to transfer sound. So, if someone has a hammer, have them hit a rock or something, and then put your ear on the surface of the moon’s crust about 10 feet away or something – you’ll hear sounds then. But, really, that’s the only way. So, I hope this helps you guys, and I hope you have a great day! Thank you for watching.


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