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National Geographic | Exploring the Universe - Documentary

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National Geographic Exploring the Universe Documentary 2019 HD 1080p

National Geographic Exploring the Universe Documentary 2019 HD 1080p
First there was the Big Bang, the point when the Universe and even space and time were created out of the void. And after that there was darkness – because the Universe contained little more than hydrogen and helium gas. It was not until a few hundred million years later, after the first stars were formed, that anything became visible. This thirteen-billion-year-old light is still en route to us and can be received by our telescopes.

The ‘early’ Universe is an important research theme in Leiden astronomy. Hardly surprising, as the origin and evolution of stars, galaxies and black holes largely determine the history and the future of the Universe.
Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just operational or still under construction - will help them find the answers. Maybe we will even detect signs of life on planets outside our solar system.

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

According to ELS, the Milky Way began as a spherical cloud of gas—a protogalaxy—that was born collapsing toward its center. The original gas was poor in metals, and so stars formed as the cloud was collapsing would also be metal poor.
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Full Space Documentary - National Geographic - End of the Universe

BIG CRUNCH THEORY
The Big Crunch theorises that gravity will pull the universe back into itself in a way similar to the air being let out of an inflated balloon, and that the end of the universe will be a big fireball as all that matter collapses onto itself.

The universe has its own momentum, its own energy, and it is moving outward. But in the Big Crunch Theory there will be a point where the universe will stop its outward movement and collapse under the force of its own gravity. In this scenario, the universe returns to its original state just before the Big Bang, setting the stage for a perpetual seesaw of creation and destruction.

Cosmologists have calculated that there is some form of energy that keeps the universe from collapsing, and may prevent the Big Crunch from happening. The existence of such a force leads to new theories about what the universe is made of and how it might end.

BIG CHILL THEORY
The Big Chill Theory hypothesises that the universe will expand until the nuclear furnaces that power all the stars burn out, and the universe grows cold and dies. The universe continues to expand forever and grows into an increasingly cold and lonely place as the expansion removes our nearest neighbours from us and we end up a single isolated community.

In the Big Chill scenario, Earth becomes a lonely cold planet as the universe expands. Distances between stars grow so vast that they nearly disappear from view, burning out over time and, eventually, the entire universe ends in a frozen state.

According to the Big Chill Theory, from Earth’s perspective the first thing to go is sunlight. The sun dims as it exhausts its last bits of nuclear fuel. Earth freezes and becomes lifeless. And billions of years after humans are gone, the cosmos expands out of view. A few newer stars remain, but most have long moved away. The furnace powering the universe burns out. The darkened universe continues to expand. A frozen and lifeless remnant of its once vibrant existence.

BIG RIP THEORY
Einstein believed that there is more mass in the universe than we can actually see, claiming that there are patches of invisible supergravity from which not even light can escape. The forces outlined in this prediction might just be responsible for a crushing end of the cosmos.

When certain stars run out of fuel they collapse in on themselves into a smaller and far denser mass that attracts more and more matter, just like the Big Crunch. The gravitational pull of these “black holes” is so powerful that anything that falls near them will be forever trapped – not even light can escape.

Clearer pictures of the universe that have only been possible in recent years have led many cosmologists to conclude that not only is the universe expanding, it is speeding up. This suggests that there is an invisible force that exists in the universe – named Dark Energy – that is working against gravity, and could eventually lead to the end of the universe.

The battle between dark matter, the force that holds the universe together, and dark energy, the force seeking to tear it apart, has set the universe on a path of destruction. If dark energy rules the cosmos, the universe could rip to shreds atom-by-atom.

If the universe is continually accelerating, the Big Rip Theory proposes, then 50 billion years from now the universe will tear itself apart. All the distant stars and galaxies will be pulled away from each other. Stars are ripped apart, planets are ripped apart, and even atoms are torn apart before the universe ends.

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Journey Through The Universe - HD Documentary


Journey Through The Universe - HD Documentary
Advexon Documentary TV
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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

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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National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.

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Origins of the Universe 101 | National Geographic


National Geographic
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Aliens in Space and Universe National Geographic Documentary 2016 HD

National Documentaries Channel
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Documentary National Geographic-Exploring the Stars In the Universe Space Documentary

Documentary National Geographic-Exploring the Stars In the Universe Space Documentary-BBC Documentary History

Seeing the Beginning of Time 4K - New Universe Documentary 2019

A cutting-edge film based on the work of scientists opening a powerful new window into deep space. Using high-tech telescopes we can now capture light across wide swathes of the universe and channel a vast flow of cosmic data into supercomputer models to probe the forces and events that shaped it. What can we learn about the origin of galaxies like the Milky Way, and of worlds like our own?

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Naked Science - Birth of the Universe

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Where does a cup of coffee come from? In this film, it’s not Starbucks, it’s stars busting. We go right back to the beginning of time to show where the ingredients in your cup of coffee were born.

The main ingredient is hydrogen; it makes up most of the water in your cup. And that formed in the big bang. How it got from there, into your cappuccino is one of the most dramatic stories in science. It has taken thousands of scientists to track its trail. We follow it through stars and galaxies, exploding supernovae, and giant clouds of gas to show just how it reached your cup.

But that isn’t the end of the story. For where it goes in the future, depends on the fate of the universe. Will it carry on expanding for ever, or tear itself apart?
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National Geographic | How big is the Universe - Documentary 2017 HD 1080p

This program gives viewers a tangible grasp of the enormity of the universe. Models and comparisons give a perspective on the relative sizes of the largest .

Egde of Space, A Journey to the edge of the Universe. A National Geographic Documentary from 2008 in 720p [HD] This is a subject that I really enjoy to watch .



Strange interstellar phenomena such as cosmic alcohol clouds, planets orbiting pulsars and dark energy is discussed.

Program presents scientists current understanding of gravity and some of the phenomenon it causes.

Where did we come from? - Science Documentary with Neil DeGrasse Tyson

Where did we come from? - Science Documentary 2016 with Neil DeGrasse Tyson
Did the entire human race originate in Africa? Are people from different parts of the world related to each other? How similar are humans to chimpanzees? Gene experts look into all these questions by studying DNA.
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The Best Documentary Ever - Secrets of space Speed of light National Geographic 2017 HD

Space Secrets of New 2017 HD. Nebula in space Secrets of the Universe 2017 HD. Secrets of space Speed of light National Geographic 2017 HD. Space .

Secrets of space Speed of light National Geographic 2017 HD. Space Secrets of New 2017 HD. Secrets of space Speed of light National Geographic 2017 HD.

Are We Alone In The Universe? Is Earth the only planet supporting life? Where are the aliens hiding? In just over two decades, humanity has gone from .

On our channel a lot of interesting documentaries on such themes: to destroy the Land, kill the Earth, end of Earth, the death Land, death Land, doomsday, .

Journey Through The Known Universe - National Geographic Space Discovery Documentary 2017

Journey Through The Known Universe - National Geographic Space Discovery Documentary 2017

National Geographic - The Great Wall of China - Documentary

Documentaries, Documentary, Documentary Films, National Geographic - The Great Wall of China - Documentary. Documentary National Geographic, National Geographic Documentary, Documentaries. national geographic documentaries, documentaries national geographic, documentaries films, the univese, universe documentary. Watch more documentary:
[Documentary] .The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials, generally built along an east-to-west line across the historical northern borders of China to protect the Chinese states and empires against the raids and invasions of the various nomadic groups of the Eurasian Steppe. [Documentary] .Several walls were being built as early as the 7th century bce; these, later joined together and made bigger and stronger, are now collectively referred to as the Great Wall. Especially famous is the wall built 220–206 bce by Qin Shi Huang, the first Emperor of China. Little of that wall remains. Since then, the Great Wall has on and off been rebuilt, maintained, and enhanced; the majority of the existing wall is from the Ming Dynasty. [Documentary] .

[Documentary] .Other purposes of the Great Wall have included border controls, allowing the imposition of duties on goods transported along the Silk Road, regulation or encouragement of trade and the control of immigration and emigration. [Documentary] . Furthermore, the defensive characteristics of the Great Wall were enhanced by the construction of watch towers, troop barracks, garrison stations, signaling capabilities through the means of smoke or fire, and the fact that the path of the Great Wall also served as a transportation corridor. [Documentary] .

National Geographic - The Great Wall of China - Documentary. Documentary, National Geographic, Full documentary, Documentary films, documentary national geographic, documentaries.



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The Universe is all of time and space and its contents. The Universe includes planets, stars, galaxies, the contents of intergalactic space, the smallest subatomic particles, and all matter and energy. The observable universe is about 28 billion parsecs (91 billion light-years) in diameter at the present time. The size of the whole Universe is not known and may be infinite. Observations and the development of physical theories have led to inferences about the composition and evolution of the Universe.

Throughout recorded history, cosmologies and cosmogonies, including scientific models, have been proposed to explain observations of the Universe. The earliest quantitative geocentric models were developed by ancient Greek philosophers and Indian philosophers.Over the centuries, more precise astronomical observations led to Nicolaus Copernicus's heliocentric model of the Solar System and Johannes Kepler's improvement on that model with elliptical orbits, which was eventually explained by Isaac Newton's theory of gravity. Further observational improvements led to the realization that the Solar System is located in a galaxy composed of billions of stars, the Milky Way. It was subsequently discovered that our galaxy is just one of many. On the largest scales, it is assumed that the distribution of galaxies is uniform and the same in all directions, meaning that the Universe has neither an edge nor a center. Observations of the distribution of these galaxies and their spectral lines have led to many of the theories of modern physical cosmology. The discovery in the early 20th century that galaxies are systematically redshifted suggested that the Universe is expanding, and the discovery of the cosmic microwave background radiation suggested that the Universe had a beginning. Finally, observations in the late 1990s indicated the rate of the expansion of the Universe is increasing indicating that the majority of energy is most likely in an unknown form called dark energy. The majority of mass in the universe also appears to exist in an unknown form, called dark matter.
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How the Universe Works - National Geographic - Space Documentary

PLANET JUST LIKE EARTH: Alien Life - National Geographic Documentary HD

When NASA began 60 years ago, we had questions about the universe humans had been asking since we first looked up into the night sky. In the six decades since, NASA, along with its international partners and thousands of researchers, have expanded our knowledge of the Universe by using a full fleet of telescopes and satellites. From the early probes of the 1950s and 1960s to the great telescopes of the 1990s and 21st century, NASA scientists have been exploring the evolution of the universe from the Big Bang to the present.

The Great Observatories
NASA astronomers use several kinds of telescopes in space and on the ground. Each observes targets like stars, planets, and galaxies, but captures different wavelengths of light using various techniques to add to our understanding of these cosmic phenomenon.
Dark Matter
NASA telescopes have helped us better understand this mysterious, invisible matter that is five times the mass of regular matter. The first direct detection of dark matter was made in 2007 through observations of the Bullet Cluster of galaxies by the Chandra x-ray telescope.

Black Holes
Although we can’t “see” black holes, scientists have been able to study them by observing how they interact with the environment around them with telescopes like Swift, Chandra, and Hubble. In 2017, NASA's Swift telescope has mapped the death spiral of a star as it is consumed by a black hole. This year, astronomers using Chandra have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy.
Galaxies
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, held together by gravity. Some are spiral-shaped like our Milky Way Galaxy; others are smooth and oval shaped. NASA telescopes are helping us learn about how galaxies formed and evolved over time.
Exoplanets
Just 30 years ago, scientists didn’t know if there were planets orbiting other stars besides our own Sun. Now, scientists believe every star likely has at least one exoplanet. They come in a wide variety of sizes, from gas giants larger than Jupiter to small, rocky planets about as big as Earth or Mars. They can be hot enough to boil metal or locked in deep freeze. They can orbit their stars so tightly that a “year” lasts only a few days; they can even orbit two stars at once. Some exoplanets don’t orbit around a star, but wander through the galaxy in permanent darkness. NASA’s Kepler spacecraft and newly-launched Transiting Exoplanet Survey Satellite are helping us find more distant worlds
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INTERNATIONAL SPACE STATION (ISS) - Full Documentary HD National Geographic

INTERNATIONAL SPACE STATION (ISS) - Full Documentary HD National Geographic

The International Space Station is a large spacecraft in orbit around Earth. It serves as a home where crews of astronauts and cosmonauts live. The space station is also a unique science laboratory. Several nations worked together to build and use the space station. The space station is made of parts that were assembled in space by astronauts. It orbits Earth at an average altitude of approximately 250 miles. It travels at 17,500 mph. This means it orbits Earth every 90 minutes. NASA is using the space station to learn more about living and working in space. These lessons will make it possible to send humans farther into space than ever before.


How Old Is the Space Station?
The first piece of the International Space Station was launched in November 1998. A Russian rocket launched the Russian Zarya (zar EE uh) control module. About two weeks later, the space shuttle Endeavour met Zarya in orbit. The space shuttle was carrying the U.S. Unity node. The crew attached the Unity node to Zarya.

More pieces were added over the next two years before the station was ready for people to live there. The first crew arrived on November 2, 2000. People have lived on the space station ever since. More pieces have been added over time. NASA and its partners from around the world completed construction of the space station in 2011.


How Big Is the Space Station?
The space station has the volume of a five-bedroom house or two Boeing 747 jetliners. It is able to support a crew of six people, plus visitors. On Earth, the space station would weigh almost a million pounds. Measured from the edges of its solar arrays, the station covers the area of a football field including the end zones. It includes laboratory modules from the United States, Russia, Japan and Europe.


What Are the Parts of the Space Station?
In addition to the laboratories where astronauts conduct science research, the space station has many other parts. The first Russian modules included basic systems needed for the space station to function. They also provided living areas for crew members. Modules called nodes connect parts of the station to each other.

Stretching out to the sides of the space station are the solar arrays. These arrays collect energy from the sun to provide electrical power. The arrays are connected to the station with a long truss. On the truss are radiators that control the space station's temperature.

Robotic arms are mounted outside the space station. The robot arms were used to help build the space station. Those arms also can move astronauts around when they go on spacewalks outside. Other arms operate science experiments.

Astronauts can go on spacewalks through airlocks that open to the outside. Docking ports allow other spacecraft to connect to the space station. New crews and visitors arrive through the ports. Astronauts fly to the space station on the Russian Soyuz. Robotic spacecraft use the docking ports to deliver supplies.

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Physics: Forbidden Science - National Geographic The Universe | Space Discovery Documentary 2017

Documentary National Geographic - Death of the Universe Space Documentary - BBC Documentary History

Documentary National Geographic - Death of the Universe Space Documentary - BBC Documentary History

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