Question

Astronomers use walkie-talkie (a device operated on radio waves) for communication in the outer space because there is no medium present there through which their sound could propagate. But how could they hear the sound in the space through the walkie talkie?

Answer 1

Astronomers uses Walkie talkie to communicate in space thought there is no medium present through which sounds could propagate because walkie talkie uses radio waves to send the voice. as radio waves are present in space