0
It depends on what are you asking for. If the question is related to the speed, then nothing occurs. If it is related to absortion, then you do not have absortion and you can "see" it from far, far away.
"Light" is an electromagnetic wave. As all of them, its speed is independent of the medium in which travel. They do not need a physical medium to travel (in contrast to pressure waves, like the sound). The speed of light (defined as c = 3·108 m/s) is the same everywhere in the Universe.
Of course, any material medium cause absortion. Due to this it is impossible to see object which are far away, because the atmosphere absorbe the energy of the light. In the outer space, opposite to this, you have almost a "vacuum", so you can see star's light which comes from light-year distance. As the medium is the vacuum, the light doesn't have absortion and it travel a lot.
You have of course some regions with dust, so you do not see all the stars in the Universe.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
Is vacuum a medium of light?
Light can travel through vacuum, but it is not a medium.
How does light behave when its in a vacuum?
It travels faster in a vacuum.
What happens to gravity in vacuum?
Nothing. Gravity exists in vacuum as well.
What type of light waves can travel through a vacuum?
Light spectrum is part of the electromagnetic radiation spectrum. Electromagnetic waves travel better and faster (light speed in vacuum) in vacuum.
What happens to fire in a vacuum?
It will go out. Fire needs oxygen, and a vacuum has none.
What happens when light passes through vacuum?
it travels at c (speed of light in a vacuum)
What happens to frequency does the speed of light ever change?
The speed of light IN A VACUUM is always the same. In substances other than the vacuum, the speed of light is usually slower than in a vacuum.
What happens to speed of light when they travel through a vacuum?
In a vacuum, light always travels at the same speed, about 300 000 kilometers per second.
What happens to speed of light when travel through plastic?
When light travels through anything that is not a vacuum, it will usually slow down.
What happens to speed of light from vacuum to glass?
The speed of light is greatest in vacuum, and somewhat less in any material medium. The exact number depends on the individual material. They're all different.
What happens when light travels through vacuum?
Nothing. It continues to propagate at the speed of light, and is not diffracted or distorted except by negligible gravitational effects.
Is vacuum a medium of light?
Light can travel through vacuum, but it is not a medium.
Why doesn't light travel through a vacuum?
Light does travel through a vacuum.
The speed of light indicates how fast light can travel in a vacuum?
Yes ... in a vacuum.
What happens to speed of light when light goes into air?
That depends what it comes out of. If it passes into air from vacuum, thenits speed decreases. If it passes into air from water or jello, then its speedincreases.
When is the only time that light waves travel at thespeedof light?
Light waves ALWAYS travel at the "Speed of Light"....based on the medium that the waves are traveling through. It just so happens that they go the FASTEST in a VACUUM.
Does light travel at its slowest speed when passing through a vacuum?
No, light is at its fastest in a vacuum.
