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How fast is the dark?

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.
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Is speed of light faster than dark?

Most of us already know that darkness is the absence of light, and that light travelsat the fastest speed possible for a physical object. So, what does this mean? In short, it means that, the moment that light leaves, darkness returns. In this respect,darkness has the same speed as light.
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What is the speed of dark energy?

An estimated 32 billion light-years away, dark energy is expanding the fabric of space at such a rate that GN-z11 is moving away from us at an estimated speed of 426,882 miles per second (687,000 km/s) — over twice the speed of light.
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How fast is the speed of dark matter?

All told, that means dark matter moves, relative to a human on Earth, at a speed of around 400 km/s. And we can do this for whatever times we want: every second, over the course of a year, or over a typical (80 year) human lifetime.
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How fast is our shadow?

300,000 km/s. So when I say your shadow can travel faster than light, I don't blame you if your skeptic senses are tingling. But humour me, because shadows are one thing that can travel faster than light. Shadows are a phenomenon we experience constantly in everyday life.
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What Is The Speed of Dark?

Is anything faster than the speed of light?

In special relativity, the speed of light is the ultimate speed limit to the universe. Nothing can travel faster than it.
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What is the fastest thing in the universe?

So light is the fastest thing. Nothing can go faster than that. It's kind of like the speed limit of the universe.
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How fast speed of light is?

The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant known in equations as "c," or light speed.
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Does darkness have energy?

Dark energy makes up approximately 68% of the universe and appears to be associated with the vacuum in space. It is distributed evenly throughout the universe, not only in space but also in time – in other words, its effect is not diluted as the universe expands.
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Is dark energy 70 of the universe?

It turns out that roughly 68% of the universe is dark energy. Dark matter makes up about 27%. The rest - everything on Earth, everything ever observed with all of our instruments, all normal matter - adds up to less than 5% of the universe.
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Who created dark matter?

The term dark matter was coined in 1933 by Fritz Zwicky of the California Institute of Technology to describe the unseen matter that must dominate one feature of the universe—the Coma Galaxy Cluster.
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What is dark matter made of?

Most scientists think that dark matter is composed of non-baryonic matter. The lead candidate, WIMPS (weakly interacting massive particles), are believed to have ten to a hundred times the mass of a proton, but their weak interactions with "normal" matter make them difficult to detect.
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Does darkness have mass?

Dark matter is invisible, and scientists have long tried in vain to directly detect the mysterious particles. But since dark matter has mass, its presence is inferred based on the gravitational pull it exerts on regular matter.
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Does total darkness exist?

Just as there is no such thing as a complete vacuum, there is no such thing as complete darkness. This is because there are always continuous fluctuations of light in space, also known as light noise.
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Do you age if you travel at the speed of light?

Five years on a ship traveling at 99 percent the speed of light (2.5 years out and 2.5 years back) corresponds to roughly 36 years on Earth. When the spaceship returned to Earth, the people onboard would come back 31 years in their future--but they would be only five years older than when they left.
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How close are we to breaking the speed of light?

No matter how much energy we pump into those particles, we can only add more “9s” to the right of that decimal place, however. We can never reach the speed of light. Or, more accurately, we can never reach the speed of light in a vacuum.
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What happens if we exceed the speed of light?

Special relativity states that nothing can go faster than the speed of light. If something were to exceed this limit, it would move backward in time, according to the theory.
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What slows light down?

When light passes through a material such as water or glass, it slows down a bit as the photons interact with the surrounding molecules. The new result merely set the world record for slowest light.
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Can light escape a black hole?

— Light cannot escape from a black hole, but for the first time ever, researchers have observed light from behind a black hole — a scenario that was predicted by Einstein's theory of General Relativity but never confirmed, until now.
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Why did it get dark so fast?

During Earth's orbit in the summer months, the top of the Earth (the Northern Hemisphere) is tilted toward the sun, giving us longer days. In winter, the Northern Hemisphere points away from the sun, resulting in fewer hours of sunshine and shorter days.
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Why light speed is the limit?

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.
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What is the slowest thing to exist?

The atoms in our frigid atom cloud quite literally move at less than a snail's pace – and that cloud is the slowest thing on Earth.
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What is the oldest thing in the universe?

HD 140283 had a higher than predicted oxygen-to-iron ratio and, since oxygen was not abundant in the universe for a few million years, it pointed again to a lower age for the star. As a result of all of this work, Bond and his collaborators estimated HD 140283's age to be 14.46 billion years.
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What is the hottest thing in the universe?

A supernova is the hottest thing in the universe. The temperatures at the core during an explosion skyrocket up to 6000X the temperature of the sun's core.
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