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Q: Why do astronauts in space have to use radios to talk to each other?
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Related questions

Can astronauts hear each other?

As there is no air , it is difficult , but astronauts use radios.


Can astronauts speak in space?

Yes, astronauts talk in space, as they always have acess to oxygen.(using radios)


Why astronauts cannot hear each other in space?

Space is vacuum, and sound can't travel in vacuum.


Why can astronauts hear on moon if they come close to each other so that their helmets touch?

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.


What technology do you use to explore space?

especially radios so they could communicate to each other


Why do astronauts who land on moon talk through wireless sets using radio waves?

Sound needs air to travel through, and as there's no air on the moon. Astronauts have to use radios to talk to each other when in an envrionment without air. Radio waves travel through space and have no trouble traveling where there's no air.


Why can 2 astronauts on a spacewalk see each other but not hear each other without radios?

Since there is no air, the sound waves would not travel. Radio waves being electromagnetic do not rely on matter (atmosphere) to conduct them.


What is the name of the American space program that carried three astronauts into space?

The Apollo missions each carried three astronauts.


How many astronauts where onboard each space capsule launched during NASAS Gemini space program?

There were 2 astronauts on each Project Gemini mission.


How many astronauts were on board each space capsule launched during NASA space Gemini space program?

The Gemini capsules were designed to hold 2 Astronauts, and each mission carried 2.


How many astronauts were on each space capsule during NASA's Gemini space program?

2


How many astronauts were abroad each space capsule launched during Nasa's Gemini space program?

i think but i am am not sure but i think it was 1-3 astronauts