Answer - Sound waves cannot travel through vacuum.
A solid, liquid, or gas-based medium is required for the propagation of sound waves. By causing the molecules in the material to vibrate, sound waves travel across each of these mediums. Solids contain closely packed molecules. Unlike solids, liquids are not as densely packed. Gases are also very slackly packed.
Sound can move through a solid much more quickly than gas due to the distance between molecules. In comparison to air, sound travels through water approximately four times quicker and farther. Particles in a medium, such as air, water, or metal, vibrate as sound waves pass through that medium.
Since there are no atoms or molecules in a vacuum to vibrate, it follows that they cannot move through it. Sound cannot, therefore, travel through a vacuum.
Summary:
Sound Waves Cannot Travel Through
Sound waves cannot travel through vacuum. A solid, liquid, or gas-based medium is required for the propagation of sound waves.
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