Question: I watched about documentary turning sound of the earth.As we know we cant hear anything in space so how can the turning sound of the world be recorded and heard?

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  1. HI dogan8a,

    I guess that it was metaphoric. As you mentioned sound waves are mechanical waves that can only transmit through material (air, water or solid) and never through vacuum as electromagnetic waves. So you cannot listen to any sound from out of the Earth.