Vacuum is devoid of matter and is a space whereas sound requires a medium or matter to travel whether air water or any solid medium. So light can travel through the vacuum of space unimpeded.
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Light is an electric magnetic wave and it does not need any medium to travel through so it can travel in.
Why can t sound travel in space. The particles are so spread out and the resulting sound waves are of such a low frequency that theyre beyond the capabilities of human hearing. Space is entirely vacuum and therefore sound cannot travel freely through it. Sound waves need a substance to travel through since thereis nothing in a vacuum sound waves have nothing to travel through.
The speed of sound is sometimes referred to as Machs and if something is traveling at Mach 1 that means its traveling at the normal speed of sound. Sound can actually be heard betterthrough some objects than others such as through water rather. Since space is a vacuum sound waves do not travel throughspace.
This is why we can see distant objects like planets stars and galaxies. The reason why you cannot hear a thing in space is since there is no air and without air there are no waves which mean without air there are no means soun. There is essentially zero air in there.
A logical question will arise in any individuals mind. Theres absolutely no reason why we cant travel faster than the speed of sound from in the air down here on Earth while up in space either. Essentially it all comes down to temperature as sound tends to travel faster in higher temperatures.
But lets just say sound can travel through space. In fact some jets can do this on the ground. Sound cant be carried in the empty vacuum of space because sound waves need a medium to vibrate through such as air or water.
SoundWhy cant we hear sound in spaceDo you know what sound is and how we are able to hear itSound is a form of energy which creates a sensation of. On Earth sound travels through air but in space there is no air so sound cannot travel. Since theres almost no matter in interstellar space sound cant travel through it.
Until recently we thought that since there is no air in space that no sound could travel and that is still true but only up to a point. The short-cut answer is there is no object or particles or the air like the outside environment in the vacuum. Because sound needs an median to pass through and in space thereis no median.
The sound produced inside spacesuits where there is oxygen is picked up by a microphone. Scene from Gravity movie in which space collision occurs During spacewalks astronauts are able to talk to each other using radio frequency waves. These vibrations are passed on to consecutive particles in the medium meaning that sound waves cannot travel without a medium.
One of these forms is commonly called radio. Now the environmental conditions that can influence the speed of sound are also pretty easy to understand. Our ears are what pick up sound waves and for a variety of reasons our unprotected ears arent going to be in space.
The reason sound cant travel through a vacuum is that sound needs a medium solid liquid or gas with real vibrating molecules and not because it is a longitudinal wave How does this make sense as there are particles in space which can vibrate. Youre right that there are gases in space and its true that these gasses can propagate sound waves just like Earths air allows sound to travel. What is the fact or theory behind sound traveling through a vacuum and why it is unable to do so.
We may argue that there are clouds of gases in space that can act as mediums but gases are not present uniformly throughout the space. Between these large objects are millions of miles of emptiness. The perfect example of a vacuum is space.
Its because space is big. Answer to Why Cant Sound Travel Through Vacuum. This empty space -- sometimes called interstellar space-- is practically devoid of all matter so its effectively a vacuum.
It is like a vortex as soon as you say something its like it will just evaporate into the emptiness around you. This is exactly the same as how. But we cant hear any sounds they might make.
Sound waves can travel only through matter. The reason we cant hear sound in the space is typically due to a lack of such a medium. As a result the sound cannot travel through a vacuum.
But cant there be vibrations in matter that isnt air. The astronauts have devices in their helmets which transfer the sound waves from their voices into radio waves and transmit it to the ground or other astronauts in space. The difference is that interstellar gas clouds are much less dense than the Earths atmosphere.
A soundwave needs a medium to propagate and there is no such physical or chemical medium available in space. And if there are gases in space then why cant sounds move through them. Altitude is also a factor but.
So Why the Sound Cant Travel Through Vacuum and Space. Sound cannot travel through the vacuum of space but visible light and other forms of electromagnetic radiation can. The reason why you cant hear a thing in space is because there is no air and without air there are no waves which means without air there is no way sound waves can be made.
The interstellar gas and dust left behind by old stars and sometimes used to create new ones does have the potential to carry sound waves - we just arent able to listen to them.
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