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they have radios, silly
i think they communicate by radio
They have radio.
They communicated by radio.
People on Earth communicate with astronauts in space by a special radio and use the word houston like a secret spy code name to signify their calling
they have radios, silly
They use radios built in their space suits.
As there is no air , it is difficult , but astronauts use radios.
Most people had radios.
i think they communicate by radio
They have radio.
Two way radios are radios where people can communicate back and forth with each other. These are very useful for construction workers on the job or even for race car drivers to communicate with their crews on the race track.
Telephones, internet, radios.
they used radios in the helmet of their spacesuits.
Most planes have VHF radios. Military planes have UHF radios, and some planes have satellite communications.
Normally, to communicate in space, astronauts need radios. This is because sound (in this case, speech) requires a medium (such as air) to move through. In space, since there is no air, astronauts cannot talk to one another directly. However, in your case, the astronauts may converse because their helmets are touching - thus giving the sound waves a medium to move through - the helmets.
They communicated by radio.