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Sound doesn't propagate in space, or in any place without an atmosphere such as the surface of the moon. Sound is mechanical energy, and the energy must be "put into" the material (gas, liquid, solid) that is used to propagate it. This is in contrast to electromagnetic energy, like light, which is "self-contained" and can move through the vacuum of space. Astronauts can communicate by normal conversation inside a spacecraft or in the International Space Station. This is because pressurized air is introduced to simulate conditions on the earth (and allow astronauts to breathe). They can talk normally and be heard. But during a "space walk" or on the surface of the moon, all communication is by radio, even between individuals who are only a few feet apart. An interesting note is that two individuals who are "outside" can turn off their communications gear, press their face plates together, and have a conversation that no one else can hear. This lends new meaning to the term private conversation.
What else can I help you with?
Do astronauts sleep in outer space?
Yes. Extra Fact: When in space, no one can hear you scream.
Why can astronauts not hear one another when traveling in space?
The light waves they reflect travel through empty space but sound waves do not.
Can astronauts speak in space?
Yes, astronauts talk in space, as they always have acess to oxygen.(using radios)
Why do astronauts use space pen?
astronauts use space pen because as there is 0gravity in space ink will not fall on the paper
Why do you have astronauts?
Well, to explore space ofcourse. Astronauts go to space to find new planets or such. They observe what is happening.
To hear astronauts in space the sounds waves are converted to?
rocket
Do astronauts sleep in outer space?
Yes. Extra Fact: When in space, no one can hear you scream.
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.
How can people hear astronauts voices from space?
The voices are transmitted via radio.
Why astronauts cannot hear each other in space?
Space is vacuum, and sound can't travel in vacuum.
How do astronauts hear in space?
They can't because sound needs something to bounce of like air.
What conditions must astronauts prepare for when traveling to space?
No one being able to hear them scream.
Why can astronauts not hear one another when traveling in space?
The light waves they reflect travel through empty space but sound waves do not.
What types of astronauts are there on a space mission?
trained space astronauts
Astronauts are--who fly in space?
Astronauts are people who fly in space
Can astronauts speak in space?
Yes, astronauts talk in space, as they always have acess to oxygen.(using radios)
What are programs introduced by Space Camp for students?
Space Camp is just not an ordinary camp, its a camp for students where they just dont hear about what astronauts d, they do what astronauts do. The programs under Space Camp include: shuttle missions, underwater astronaut training, space shot etc. For more information you can log in to www.spacecampindia.com.
