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How can astronauts communicate with earth if sound does not travel in a vacuum?
Wiki User
∙ 12y ago
Signals are transmitted by some other means - in this case, electromagnetic waves.
Wiki User
∙ 12y ago
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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.
How do people on earth communicate with astronauts in space?
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
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 did people communicate with Apollo 11?
The three astronauts communicated back to the earth with the help of the radio.
How do astronauts communicate with people on earth?
i think they communicate by radio
How do we know that EM wave don't need a medium and can travel through vacuum?
Because of all the EM radiation we receive from the sun.Also . . .we can see the moonwe can see the sunwe can see other starswe can communicate by radio with astronauts on the moonwe can communicate by radio with the Curiosity on Marswe can communicate by radio with our space probes that have left the solar systemwe can bounce light and radio from Earth to moon and back to Earth
How did astronauts communicate with earth while in space?
They communicated by radio.
How do people on earth communicate with astronauts in space?
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
If 2 astronaut are outsid orbiting earth the audio speaker of one quits working the other astranaut is 1 m away an shouts a messaged Can the first astronauts here the messegeand why?
No. Space is a vacuum; sound does not travel through a vacuum.
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 did people communicate with Apollo 11?
The three astronauts communicated back to the earth with the help of the radio.
Why can radiation travel in a vacuum?
yes as radiation travels from the sun through a vacuum to earth
Have astronauts been on the far side of the moon?
No. Astronauts have orbited over the far side of the moon, but have never landed on it. The main reason is that they would be unable to communicate with Earth.
Which planets have astronauts not been on?
At the moment, Astronauts cannot go to any planet but Earth.
Can radiation travel through a vacuum?
Yeah, radiation can travel in vacuum and a practical example of it is the radiation of sun coming to earth and traveling through space.
Can heat radiation travel through a vacuum?
Yes, think of the radiation from the Sun, it must travel through the vacuum of space to warm our own planet Earth.
