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Why cannot a sound be heard on moon?how do astraunauts talk to one another on the surface of moon?
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Why cannot a sound be heard on moon?how do astraunauts talk to one ano...
Sound is a mechanical wave meaning it needs a medium to propagate in. On Earth, sound can propagate through the air provided by the atmosphere. On the Moon, however, there's no atmosphere, so there's no medium for sound to propagate through. Ergo no sound on the moon.

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Why cannot a sound be heard on moon?how do astraunauts talk to one another on the surface of moon?
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