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There are many reasons, but significant ones are related to available atmosphere. The astronauts must stay in their space suits to get breathable air. Denser air is better for the transmition of sound. So it is hard to get sound to go through the space suit and then hard to get it to go through the low density atmosphere of the moon. Radios are easier and can go much farther.

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Why did the astronauts have to use radios on the moon?

Astronauts on the moon used radios to communicate with mission control and other astronauts. The distance to Earth was too great for them to communicate in real time without radios. Additionally, the space suits and helmets they wore made it difficult to communicate verbally with each other.


How do astronauts communicate in space?

Astronauts mainly communicate in space using radio waves. They use radios to talk to mission control on Earth and to communicate with each other inside the spacecraft. They can also use video conferencing and email for communication purposes.


Why do astronauts need radios to talk in space?

Sound is carried by vibrations of molecules. When you talk here on Earth, air molecules transmit the vibrations and allow others to hear you. In open space there are very few molecules at all so there is nothing to carry the vibrations. Radios use radio waves to transmit information from one to another. These waves move through space by themselves so they can be transmitted from one astronaut to another. Then the radio turns the wave back into sound in the air filled compartment the astronauts breath in.


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.


Do astronauts need to walk on the moon?

Astronauts do not need to walk on the moon to conduct experiments or gather samples. They can use rovers and specialized equipment to explore the surface without walking. Walking on the moon would be difficult due to the moon's low gravity and lack of atmosphere.

Related Questions

Why did the astronauts have to use radios on the moon?

Astronauts on the moon used radios to communicate with mission control and other astronauts. The distance to Earth was too great for them to communicate in real time without radios. Additionally, the space suits and helmets they wore made it difficult to communicate verbally with 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.


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)


How do astronauts communicate in space?

Astronauts mainly communicate in space using radio waves. They use radios to talk to mission control on Earth and to communicate with each other inside the spacecraft. They can also use video conferencing and email for communication purposes.


How do astronauts communicate outside the space shuttle?

They use radios built in their space suits.


Why do astronauts need radios to talk in space?

Sound is carried by vibrations of molecules. When you talk here on Earth, air molecules transmit the vibrations and allow others to hear you. In open space there are very few molecules at all so there is nothing to carry the vibrations. Radios use radio waves to transmit information from one to another. These waves move through space by themselves so they can be transmitted from one astronaut to another. Then the radio turns the wave back into sound in the air filled compartment the astronauts breath in.


What do astronauts use to go to the moon?

Space Ships


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.


Do astronauts need to walk on the moon?

Astronauts do not need to walk on the moon to conduct experiments or gather samples. They can use rovers and specialized equipment to explore the surface without walking. Walking on the moon would be difficult due to the moon's low gravity and lack of atmosphere.


How do astronauts slow their spacecraft down when approaching the moon?

Astronauts use small bursts from little jets pointed in the direction of travel to slow down the ship when they approach the moon.


How do astronauts leave the moon?

The astronauts will have to use the lunar module , to return from the moon, they join up with the command module. '''''INCORRECT''''' ---- The space craft is difted back by the gravitational pull of the earth.