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The fasted "known" speed in the universe is the expansion of the universe itself, at about 74km/s per 3m lightyears. That is incredibly fast. The fastest obseved would be light at of course, lightspeed, or rougly 300,000,000m/s.

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10y ago
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16y ago

In a vacuum, light and all forms of electromagnetic energy travels at "c", which is 3 x 108 m/s. The discovery that this was the absolute speed limit independent of the observer is one of the core principles of relativity.

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13y ago

http://www.aerospaceweb.org/question/performance/q0023.shtml

you can find it here.

it was Helios 2 space probe reached 252,792 km/h, the fastest man-made object ever travelled.

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Q: What is the fastest speed of anything in universe?
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Which is the fastest thing in Universe?

Tachyons are theorised to be the fastest particle in the universe their slowest speed being the speed of light. But until they are proven to exist, light is the fastest thing in the universe.


What is the fastest speed of any object in the universe?

The speed of light in a vacuum, which is approximately 299,792 kilometers per second, is considered to be the fastest speed at which any object can travel in the universe according to the theory of relativity.


What is the difference between speed and light?

Speed is how fast something moves. Light is a form of energy carried by massless photons, these photons move at the speed of light, which is the fastest speed that anything in the universe can travel.


What is the fastest speed with which anything can move?

speed of light


What is the fastest speed with anything can move?

speed of light


Can you move faster than electricity?

No, electricity moves at the speed of light, which is the fastest speed possible in the universe. Therefore, it is not possible for anything to move faster than electricity.


What is the fastest on earth?

The fastest speed at which anything can move is the speed of light, about 300,000 km/sec.


What is the fastest speed possible?

The Fastest speed possible in the Universe is the speed of light in a vacuum exceeding 299,792,458 meters per second.


What is the fastest speed that there is?

The speed of light in a vacuum is the fastest speed known in the universe, which is approximately 299,792 kilometers per second (186,282 miles per second). According to the theory of relativity, nothing with mass can travel at or faster than the speed of light.


Do objects always have maximum speed?

The fastest that anything can go is the speed of light in a vacuum.


Why do you measure distance in the universe in light years?

It's the fastest speed anyone can prove exists. Any speeds in excess of light speed are still just theory. Some scientists believe it is the fastest speed that will ever be achievable.( a cosmic speed limit.)


The velocity of light represents a cosmic speed?

Yes, the velocity of light is the fastest speed at which energy, matter, or information can travel through the universe. It is a universal constant that remains the same in all reference frames.