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when they land , so they can communicate with each other.

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The term "Walkie Talkie" is a colloquialism which refers to a hand portable transceiver. Since every spacesuit is fitted with a hands-free transceiver then it is fair to say that they are always using one when suited up.

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11y ago
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8y ago

Sound cannot travel through the vacuum of space, but radio waves can.

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Q: Why do astronauts use radio while talking to each other in outer space?
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Related questions

Modes of communication with outer space?

Radio is the only way we have of communicating with astronauts or machines in space.


Why do astronauts have radio transmitters when they are on moon?

So they can talk to each other and Earth, even though there is no air.Astronauts have radio transmitters on moon as they cannot communicate with each other.Sound cannot travel if there is no air. As there is no air on the moon astronauts need radio transmitters when they are on moon.


How do astronauts communicate in space?

They have radio.


Do astronauts still use the radio to communicate or was it in the ancient days?

Firstly, neither astronauts or radio existed in ancient times. Secondly, radio has always been used by astronauts and continues to be so, because it is the only thing that works across the distances and through the vacuum.


Why astronauts use radio waves rather than sound waves?

Sound waves need air or another material to travel through, or they go nowhere. Astronauts do their job in places without air, so they couldn't be heard by simply talking.


Do astronauts on the far side of the moon have good radio contact with earth?

No, during the Apollo missions radio contact was cut off when astronauts orbited behind the Moon.


How do astronauts communicate with people on earth?

i think they communicate by radio


How did astronauts communicate with earth while in space?

They communicated by radio.


Can you hear can you hear through space suits?

Indeed! You can't hear what's going on around you, but you can hear other astronauts through their radio.


What do astronauts do wile they are not in space?

Astronauts when they do not work, sleep, or as in the Skylab had a day for having a wash and clean up, they had radio work as well.


Who was the first president to talk to astronauts on the moon by radio-telephone?

Nixon


How astronauts talk to each other in space?

yes they can communicate they have to