What is the fastest thing known to man?

Light is fast. In fact, it is the fastest thing that exists, and a law of the universe is that nothing can move faster than light. Light travels at 186,000 miles per second (300,000 kilometers per second) and can go from the Earth to the Moon in just over a second.
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What is the fastest speed known to mankind?

The fastest speed at which humans have travelled is 39,937.7 km/h (24,816.1 mph). The command module of Apollo 10, carrying Col. (later Lieut Gen.) Thomas Patten Stafford, USAF (b.
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What is the fastest thing in universe?

So the fastest thing in the universe is light.
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What is the fastest a man made object has ever gone?

A spacecraft has smashed the record for the fastest man made object reaching 400,000mph. NASA's Parker Solar Probe was making observations of the outer corona of the Sun when it hit a speed of 180km per second.
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What is 1% the speed of light?

While 1% of anything doesn't sound like much, with light, that's still really fast – close to 7 million miles per hour! At 1% the speed of light, it would take a little over a second to get from Los Angeles to New York. This is more than 10,000 times faster than a commercial jet.
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Speed Comparison - Fastest Things In The Universe



Is speed of light possible?

Based on our current understanding of physics and the limits of the natural world, the answer, sadly, is no. According to Albert Einstein's theory of special relativity, summarized by the famous equation E=mc2, the speed of light (c) is something like a cosmic speed limit that cannot be surpassed.
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Is light faster than darkness?

Darkness travels at the speed of light. More accurately, darkness does not exist by itself as a unique physical entity, but is simply the absence of light. Any time you block out most of the light – for instance, by cupping your hands together – you get darkness.
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Is a black hole faster than light?

Using NASA's Chandra X-ray Observatory, astronomers have seen that the famous giant black hole in Messier 87 is propelling particles at speeds greater than 99% of the speed of light.
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Is anything faster than light?

Albert Einstein's special theory of relativity famously dictates that no known object can travel faster than the speed of light in vacuum, which is 299,792 km/s. This speed limit makes it unlikely that humans will ever be able to send spacecraft to explore beyond our local area of the Milky Way.
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How fast can humans travel without dying?

Most of us can withstand up to 4-6G. Fighter pilots can manage up to about 9G for a second or two. But sustained G-forces of even 6G would be fatal. Astronauts endure around 3G on lift-off, one G of which is Earth's own pull.
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How fast has a human ever gone?

Fastest human spaceflight

The crew of NASA's Apollo 10 moon mission reached a top speed of 24,791 mph (39,897 kph) relative to Earth as they rocketed back to our planet on May 26, 1969. That's the fastest any human beings have ever traveled.
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How close are we to light speed?

We can never reach the speed of light. Or, more accurately, we can never reach the speed of light in a vacuum. That is, the ultimate cosmic speed limit, of 299,792,458 m/s is unattainable for massive particles, and simultaneously is the speed that all massless particles must travel at.
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What is the speed of dark?

How fast is the speed of darkness? Strictly speaking, dark is simply the absence of light, and thus has no speed at all, according to noted astrophysicist Neil deGrasse Tyson.
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Do Tachyons exist?

Tachyons have never been found in experiments as real particles traveling through the vacuum, but we predict theoretically that tachyon-like objects exist as faster-than-light 'quasiparticles' moving through laser-like media.
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Is it possible to travel back in time?

Time travel to the past is theoretically possible in certain general relativity spacetime geometries that permit traveling faster than the speed of light, such as cosmic strings, traversable wormholes, and Alcubierre drives.
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Can a wormhole exist?

In the early days of research on black holes, before they even had that name, physicists did not yet know if these bizarre objects existed in the real world.
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How fast is a tachyon?

Tachyons are one of the most interesting elements arising from Einstein's theory of special relativity. The 1905 theory is based on two postulates, nothing with mass moves faster than the speed of light (c), and physical laws remain the same in all non-inertial reference frames.
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Can you ever escape gravity?

You could of course escape from earth's gravity if you could continuously move at even a very low speed. The problem is maintaining this speed against the pull of gravity. To do so you would need to introduce some other force, at which point the concept of escape velocity is no longer applicable.
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Is there a speed of smell?

The time it takes to smell a chemical in the air is the time the chemical takes to travel in air to our nose, and for the nerve impulse to travel to the brain (milliseconds), so smells are almost instantaneous.
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Can shadows move?

Shadow Racing

This is a little hard to wrap your head around, but shadows can move faster than the speed of light, even though nothing can move faster than the speed of light.
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How fast is the speed of gravity?

The best results, at the present time, tell us that the speed of gravity is between 2.993 × 10^8 and 3.003 × 10^8 meters per second, which is an amazing confirmation of General Relativity and a terrible difficulty for alternative theories of gravity that don't reduce to General Relativity! (Sorry, Newton!)
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Is warp speed possible?

“None of the physically conceivable warp drives can accelerate to speeds faster than light,” Bobrick says. That is because you would require matter capable of being ejected at speeds faster than light—but no known particles can travel that fast.
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Will we ever travel to another galaxy?

The technology required to travel between galaxies is far beyond humanity's present capabilities, and currently only the subject of speculation, hypothesis, and science fiction. However, theoretically speaking, there is nothing to conclusively indicate that intergalactic travel is impossible.
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Will humans ever leave the solar system?

Climate change is altering our planet, and some have wondered if we may have to leave Earth to another distant planet. We will never escape climate change, and unfortunately, we will never leave the Solar System, and Earth may be our home forever.
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Is a thought faster than light?

While light travels at the rate of 186,000 miles per second, thoughts virtually travel in no time.
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