Space is completely silent. - FactzPedia

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Space is completely silent.

 

Space is completely silent.                                        




This is because there is no air in space, and air is needed to carry the sound vibrations.

So if you shouted to someone next to you in space they wouldn’t be able to hear you. How’s that for a fun space fact!?

Space is usually regarded as being completely empty. But this is not true. The vast gaps between the stars and planets are filled with huge amounts of thinly spread gas and dust. Even the emptiest parts of space contain at least a few hundred atoms or molecules per cubic metre.

Space is also filled with many forms of radiation that are dangerous to astronauts. Much of this infrared and ultraviolet radiation comes from the Sun. High energy X-rays, gamma rays and cosmic rays – particles travelling close to the speed of light – arrive from distant star systems.

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