Question:

Does dark energy and/or dark matter limit the speed of light?

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would light or things travel faster than 186,000 mph without these two or one of them?

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  1. they will not exceed the speed of light, but they formed by the different elementary particles that we not know to us.


  2. There is no reason to believe that this would be the case.

    And the correct speed is 186,000 miles per second, not per hour.  Take a look.

    http://ultraviolet-oasis.deviantart.com/...

  3. no, they do not limit light

  4. Milkshakes

  5. it depends how strong the light is in how dark it is  but speed cant be and the same catagory of darkness and light

  6. 186000 miles per second...

    The speed of light is a constant. It is a reference to base other measurements against.

    Check out the Lorentz transformations.

  7. the only thing that can effect the speed of light is gravity i f the escape velocity of a mass is higher than 299,792,458 m/s then the light will be slowed down to a stop  only black holes have that much matter and that large of a escape velocity

  8. The speed of light is a property of space itself. The presence or absence of dark matter will have no effect. Dark matter can warp space-time by its gravity, but light will continue to move through that at the same velocity.

    There is some speculation that dark energy may somehow be a property of space, in which case c and dark energy might have some relationship. But in that case, there would be no way of removing the dark energy, any more than you can remove the propagation of light.

  9. The value of c is a universal constant; it has nothing to do with matter or energy, dark or not.

  10. I don't think so.  

    Dark Matter can't be seen, it's presence can only be inferred from its gravitational effects on visible matter.  

    Dark Energy is hypothetical and it's simply energy that exists in all of space and increases the rate of expansion of the universe.  

    Everything, including you and me, is already (and always) traveling at the speed of light, which is:  

    speed through space + speed through time = speed of light

  11. So far, there is no indication that they are responsible for limiting the speed of light, and most theories explaining their existence do not propose a mechanism by which they would limit the speed of light. In addition, we can be more or less certain that dark matter does not limit the speed of light, because if it did, we should be able to detect the effects with our telescopes. Whether dark energy has any effect remains to be seen, but like I say it's not very likely.

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