How do astronaut communicate in moon
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As such, astronauts communicate with each other in space when they are spacewalking through the use of radio waves. ... Sound waves do not propagate in space without air, you are right about that. There is air inside spacecraft so they can talk normally. When in space suits, astronauts communicate via UHF radio.
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Answer:
by actions and they have some device in their ears and to speak also
and also which a ove person gave answer
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