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For example, if a star is at a distance of 5 light-years, it will take 5 years to travel there at the speed of light.

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How long would it take to travel the solar system at the speed of light to the nearest star?

About 4.2 years.


What' the equation for speed of light?

The equation is:c = 299,792,458 meters per second in vacuum .For any substance in general:c = (299,792,458 m/s) / (the refractive index of the substance)


Can a person travel at a speed of light?

No. Nothing with mass can travel at the speed of light.


How do you travel in the speed of light?

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What will happen if a man passes a electrmagnetic waves in speed of light?

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How long would it take to travel to Australia from London at the speed of light?

It would take approximately 0.133 seconds to travel from London to Australia at the speed of light.


How long would it take light to travel from the nearest star to us?

The nearest star to Earth is regarded as the Sun. The light from the Sun takes 8.3 minutes approximately, after calculating the distance of the Sun from Earth and the speed of light. It can be calculated by the formula: Time = Distance / Speed. If you mean the nearest star apart from the Sun, that is "Proxima Centauri". That light from that star takes about 4.22 years to reach us.


Do neutrinos travel at the speed of light, or do they move at a different velocity?

Neutrinos do not travel at the speed of light, but they do move very close to the speed of light.


What can travel at speed of light?

Any massless "thing" like a photon and MAYBE a neutrino. NOTHING with mass can travel at the speed of light. Photons travel at the speed of light. The entire electromagnetic spectrum travels at the speed of light.


Is it possible to travel at the speed of light in water?

No, it is not possible to travel at the speed of light in water. Light travels at a slower speed in water compared to its speed in a vacuum, which is about 299,792 kilometers per second. The speed of light in water is approximately 225,000 kilometers per second.


What can travel twice the speed of light?

Nothing physical is believed to be able to travel twice the speed of light.


Does red light travel faster than blue light?

No. All colors travel at the same speed. It is called "the speed of light".