# How fast does light travel mph?

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## How fast does the speed of light go?

Light from a stationary source travels at 300,000 km/sec (186,000 miles/sec).

## What did Einstein say about the speed of light?

Einstein’s theory of special relativity unified energy, matter and the speed of light in a famous equation: E = mc^2. … Einstein asserted that light moved through a vacuum, not any kind of luminiferous aether, and in such a way that it moved at the same speed no matter the speed of the observer.

## How fast is the Internet in NASA?

According to the most trusted sources, NASA’s Wi-Fi runs at an astounding speed of 91 gigabits per second. That means it is arround 13,000 times faster than the average internet speed of households which is about 20-25 Mpbs.

## How long will it take Voyager 1 to travel a light-year?

Now, Voyager 1 is travelling at 17 kilometers per second. That’s 61,200 kilometers per hour, and as far as I can tell about 536,112,000 kilometers per year. A light-year is 9.5 trillion kilometers. By division, that means it’s going to take Voyager 17,720 years to travel ONE light year.

## Is time Travelling possible?

In Summary: Yes, time travel is indeed a real thing. But it’s not quite what you’ve probably seen in the movies. Under certain conditions, it is possible to experience time passing at a different rate than 1 second per second.

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## What happens if you travel at the speed of light?

Firstly, the physical consequence of traveling at the speed of light is that your mass becomes infinite and you slow down. According to relativity, the faster you move, the more mass you have. … So, traveling at the speed of light in the conventional way is impossible.

## Can an object travel at the speed of light Why or why not?

Nothing can travel faster than 300,000 kilometers per second (186,000 miles per second). Only massless particles, including photons, which make up light, can travel at that speed. It’s impossible to accelerate any material object up to the speed of light because it would take an infinite amount of energy to do so.