how do astronauts talk to one another on the surface of moon and why
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They talk with the help of radio detector and receptor devices because there is no medium for sound to propagate. So they can't talk with mouth .
For the sake of your convenience radio waves can travel in vaccum.
The mechanical waves of sound are converted to electromagnetic waves ( radio waves) .
For the sake of your convenience radio waves can travel in vaccum.
The mechanical waves of sound are converted to electromagnetic waves ( radio waves) .
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since there is no medium to propagate sound in space. the astronauts use radio wave to communicate because radio waves can be propagate in vacuum...
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