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Sound waves do not move in space; they require matter to be passed on. Sound waves that reach space essential peter out, much like surf waves of an ocean when they hit shore. But at least theoretically, if there were strong enough sound waves to begin with, they would bounce or echo off the edge of the atmosphere and move back toward the earth's surface. Think of a cord tied off at one end and held taut by you at the other end. A quick 'wave' given to the cord will travel to the tied end and back to you. In other words sound would probably behave like radio waves but with much less energy, and they would rapidly be absorbed by the atmosphere itself.

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16y ago
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13y ago

When an EM wave (Electromagnetic wave) travels in space, it spreads out waves in all directions until they all get stopped from interference with a medium that it cannot penetrate. (A electromagnetic wave never stops.)

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15y ago

It doesn't. Sound waves need a medium to travel through in order to move beyond the source. Most of space is an empty vacuum, and thus sound waves have nothing to travel through.

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14y ago

As the sound wave travels through the air the molecules in the air slowly distort and dampen the sound which is why the sound doesn't travel forever!

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Q: What happens when a sound wave reaches space?
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What happens to this wave as it reaches shore?

Since we don't know what "this wave" is, we cannot answer the question.


What is a reflecting sound wave called?

A reflected sound wave can be one of two things, an echo or a reverberation. Reverberation happens when sound bounces off surfaces and reaches back to the ear within 0.1 seconds. Echoes happen when sound waves bounce back to the ear after more than 0.1 seconds.


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