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How the Universe Works - From The Big Bang To The Present Day - Space Discovery Documentary

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How the Universe Works - From The Big Bang To The Present Day - Space Discovery Documentary

How the Universe Works - From The Big Bang To The Present Day - Space Discovery Documentary
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How the Universe Works - National Geographic The Universe - Space Discovery Documentary

How the Universe Works - National Geographic The Universe - Space Discovery Documentary
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How the Universe Works: From The Big Bang To The Present Day - Documentary

Most Powerful Forces In The Universe - Space Discovery Documentary

There are a large number of forces at work in the Universe, some more powerful than others -- and I'm not talking about the four fundamental forces of nature. A force in the context I'm talking about is any phenomenon in Universe that exhibits a powerful effect or influence on its environment. Many of these phenomenon quite obviously depend on the four basic forces to function (gravity, electromagnetism, the weak interaction and the strong interaction), but it's the collective and emergent effects of these fundamental forces that I'm interested in.
And when I say power I don't just mean the capacity to destroy or wreak havoc, though that's an important criteria. A force should also be considered powerful if it can profoundly reorganize or manipulate its environment in a coherent or constructive way.

Albert Eistein once quipped that the most powerful force in the Universe was compound interest. While he does have a point, and with all due respect to the Master, I present to you my list of the four most powerful phenomenon currently making an impact in the Universe
#Space #Documentary #universe
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Origins of the Universe 101 | National Geographic

How old is the universe, and how did it begin? Throughout history, countless myths and scientific theories have tried to explain the universe's origins. The most widely accepted explanation is the big bang theory. Learn about the explosion that started it all and how the universe grew from the size of an atom to encompass everything in existence today.
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Origins of the Universe 101 | National Geographic


National Geographic

Beyond the Big Bang Documentary HD 720p

The universe began with a massive expansion, billions and billions of years ago, and it continues to expand with every passing second. The idea that the universe, and man's very existence, began with a Big Bang is no longer a topic of debate among most scientists--it is essentially taken as fact. Thanks for watching Please Like, Share, Comment and Subscribe.
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How the Universe Works - Amazing Facts About Universe - Space Discovery Documentary

How the Universe Works - Amazing Facts About Universe - Space Discovery Documentary
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How the Universe Works - Blow your Mind of the Universe Part 10 - Space Discovery Documentary

How the Universe Works - Blow your Mind of the Universe Part 10 - Space Discovery Documentary
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How the Universe Works - Blow your Mind of the Universe Part 11 - Space Discovery Documentary
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How the Universe Works - The End of Space and Time - Space Discovery Documentary

Infinity makes physicists uncomfortable. This makes sense if you think about one of the most fundamental “laws” of physics: the second law of thermodynamics, which states that in a closed system, the total entropy of a system will always increase.

Thermodynamics is what is called a stochastic theory, and as such gets into all kinds of details about state configurations and potential distributions, but at its core, the second law can be thought of as a way of saying that over time, other forms of energy get converted into heat (which is a form of light) and dissipates.

There are always local violations of this law — a star survives because hydrogen fusion produces more energy than it consumes, and life is arguably an example where order exists contrary to the general disorder of the universe, but each of these are snapshots. Stars, for instance, go into a red giant phase because enough helium (which needs more energy to fuse) has gathered to make helium fusion possible, which releases considerably more energy.
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The Strongest Force In The Universe - Space and Science Documentary

A supermassive black hole is the largest type of black hole, containing a mass of the order of hundreds of thousands, to billions times, the mass of the Sun. This is a class of astronomical objects that has undergone gravitational collapse, leaving behind a spheroidal region of space from which nothing can escape; not even light.

Observational evidence indicates that all, or nearly all, massive galaxies contain a supermassive black hole, located at the galaxy's center. In the case of the Milky Way, the supermassive black hole corresponds to the location of Sagittarius A* at the Galactic Core. Accretion of interstellar gas onto supermassive black holes is the process responsible for powering quasars and other types of active galactic nuclei.

How the Universe Works - National Geographic The Universe part 1 - Space Discovery Documentary

How the Universe Works - National Geographic The Universe part 1 - Space Discovery Documentary
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How the Universe Works - From The Big Bang To The Present Day - Documentary

How the Universe Works - From The Big Bang To The Present Day - Space Discovery Documentary
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How the Universe Works Is the Universe Infinite Space Discovery Documentary

Explore the biggest question of all. How far do the stars stretch out into space? And what's beyond them? In modern times, we built giant telescopes that have allowed us to cast our gaze deep into the universe. Astronomers have been able to look back to near the time of its birth. They've reconstructed the course of cosmic history in astonishing detail.

From intensive computer modeling, and myriad close observations, they've uncovered important clues to its ongoing evolution. Many now conclude that what we can see, the stars and galaxies that stretch out to the limits of our vision, represent only a small fraction of all there is.

Does the universe go on forever? Where do we fit within it? And how would the great thinkers have wrapped their brains around the far-out ideas on today's cutting edge?

For those who find infinity hard to grasp, even troubling, you're not alone. It's a concept that has long tormented even the best minds.

Over two thousand years ago, the Greek mathematician Pythagoras and his followers saw numerical relationships as the key to understanding the world around them.

But in their investigation of geometric shapes, they discovered that some important ratios could not be expressed in simple numbers.

Take the circumference of a circle to its diameter, called Pi.

Computer scientists recently calculated Pi to 5 trillion digits, confirming what the Greeks learned: there are no repeating patterns and no ending in sight.

The discovery of the so-called irrational numbers like Pi was so disturbing, legend has it, that one member of the Pythagorian cult, Hippassus, was drowned at sea for divulging their existence.

A century later, the philosopher Zeno brought infinity into the open with a series of paradoxes: situations that are true, but strongly counter-intuitive.

In this modern update of one of Zeno's paradoxes, say you have arrived at an intersection. But you are only allowed to cross the street in increments of half the distance to the other side. So to cross this finite distance, you must take an infinite number of steps.

In math today, it's a given that you can subdivide any length an infinite number of times, or find an infinity of points along a line.

What made the idea of infinity so troubling to the Greeks is that it clashed with their goal of using numbers to explain the workings of the real world.

To the philosopher Aristotle, a century after Zeno, infinity evoked the formless chaos from which the world was thought to have emerged: a primordial state with no natural laws or limits, devoid of all form and content.

But if the universe is finite, what would happen if a warrior traveled to the edge and tossed a spear? Where would it go?

It would not fly off on an infinite journey, Aristotle said. Rather, it would join the motion of the stars in a crystalline sphere that encircled the Earth. To preserve the idea of a limited universe, Aristotle would craft an historic distinction.

On the one hand, Aristotle pointed to the irrational numbers such as Pi. Each new calculation results in an additional digit, but the final, final number in the string can never be specified. So Aristotle called it potentially infinite.

Then there's the actually infinite, like the total number of points or subdivisions along a line. It's literally uncountable. Aristotle reserved the status of actually infinite for the so-called prime mover that created the world and is beyond our capacity to understand. This became the basis for what's called the Cosmological, or First Cause, argument for the existence of God.

How the Universe Works - Black Hole - Space Discovery Documentary

Black Holes are known to swallow everything coming in their path but that's not the end. With time they they emit enormous amounts of energy.

In 2015 Hubble Telescope captured something that shocked the entire world. It was a burst of plasma jet 260 million light years away in space coming from an unknown source. Calculations showed that the jet was travelling at 98% the speed of light.

Scientists finally concluded that they have captured a plasma burst coming from a super-massive Black Hole. Which is located inside a galaxy 260 million light-years away
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How the Universe Works - Formation of the Solar System

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The Search for Life Beyond Earth - Are We Alone in the Universe? Space Documentary

Since the beginning of civilization, humanity has wondered whether we are alone in the universe. As NASA has explored our solar system and beyond, it has developed increasingly sophisticated tools to address this fundamental question. Within our solar system, NASA’s missions have searched for signs of both ancient and current life, especially on Mars and soon, Jupiter’s moon Europa. Beyond our solar system, missions, such as Kepler and TESS, are revealing thousands of planets orbiting other stars. The explosion of knowledge of planets orbiting other stars, called exoplanets, and the results of decades of research on signatures of life - what scientists call biosignatures - have encouraged NASA to address, in a scientifically rigorous way, whether humanity is alone. Beyond searching for evidence of just microbial life, NASA now is exploring ways to search for life advanced enough to create technology.

How the Universe Works - National Geographic The Universe - Space Discovery Documentary

How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system’s genesis, plus its planets, moons, and asteroids.

How the Universe Works Black Hole in the Milky Way - Space Discovery Documentary

Black Holes are known to swallow everything coming in their path but that's not the end. With time they they emit enormous amounts of energy.

In 2015 Hubble Telescope captured something that shocked the entire world. It was a burst of plasma jet 260 million light years away in space coming from an unknown source. Calculations showed that the jet was travelling at 98% the speed of light.

Scientists finally concluded that they have captured a plasma burst coming from a super-massive Black Hole. Which is located inside a galaxy 260 million light-years away
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How the Universe Works - Black holes - Space Discovery Documentary
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