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How the Universe Works - The Story of Earth Part 2 - Space Discovery Documentary

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How the Universe Works - The Story of Earth Part 2 - Space Discovery Documentary

How the Universe Works - The Story of Earth Part 2 - Space Discovery Documentary

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How the Universe Works - National Geographic The Universe part 2 - Space Discovery Documentary

How the Universe Works - National Geographic The Universe part 2 - Space Discovery Documentary

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

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 - 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 part 3 - Space Discovery Documentary
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How the Universe Works The Story of Earth Part 2 Space Discovery Documentary

How the Universe Works - The secrets of the Solar System - Space Discovery Documentary

New planets are now being discovered outside our solar system on a regular basis, and these strange new worlds are forcing scientists to rewrite the history of our own solar system. Far from a simple story of stable orbits, the creation of our solar system is a tale of hellfire, chaos and planetary pinball. It's a miracle our Earth is here at all.
How the Universe Works - Blow your Mind of the Universe - Space Discovery Documentary

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

How the Universe Works - Blow your Mind of the Universe Part 11 - Space Discovery Documentary
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How the Universe Works Extreme Stars

Discussion of stars and how they form, live, and die

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 - National Geographic The Universe - Space Discovery Documentary

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

The Earth is Not Alone - Space Documentary HD

Part 2:
U.S. space agency NASA announced the discovery of more than 200 new planets on Monday, 10 of which are believed to be about the right size and temperature to support life.

Of the 219 new suspected planets to have been discovered by NASA's Kepler telescope, 10 were found to exist in the so-called 'Goldilocks zone' of their solar system. This refers to the distance between the planet and their star, which is neither too hot nor too cold to support complex life.

The presence of liquid water on these rocky Earth-like planets is seen as a key ingredient required for the existence of life.

Are we alone? Maybe Kepler today has told us indirectly, although we need confirmation, that we are probably not alone, Mario Perez, Kepler program scientist, said at a news conference.

NASA launched the Kepler telescope in 2009 in a bid to discover whether other Earth-like planets are common or rare.

The latest identification of suspected exoplanets – planets outside our own solar system – brings the tally discovered by the Kepler telescope to 4,034. The number of worlds thought to be approximately the same size and temperature as Earth is around 50.

How the Universe Works - Formation of the Solar System

The formation and evolution of the Solar System began 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. Most of the collapsing mass collected in the center, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar System bodies formed.

This model, known as the nebular hypothesis was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace. Its subsequent development has interwoven a variety of scientific disciplines including astronomy, physics, geology, and planetary science. Since the dawn of the space age in the 1950s and the discovery of extrasolar planets in the 1990s, the model has been both challenged and refined to account for new observations.

The Solar System has evolved considerably since its initial formation. Many moons have formed from circling discs of gas and dust around their parent planets, while other moons are thought to have formed independently and later been captured by their planets. Still others, such as Earth's Moon, may be the result of giant collisions. Collisions between bodies have occurred continually up to the present day and have been central to the evolution of the Solar System. The positions of the planets might have shifted due to gravitational interactions. This planetary migration is now thought to have been responsible for much of the Solar System's early evolution.

In roughly 5 billion years, the Sun will cool and expand outward to many times its current diameter (becoming a red giant), before casting off its outer layers as a planetary nebula and leaving behind a stellar remnant known as a white dwarf. In the far distant future, the gravity of passing stars will gradually reduce the Sun's retinue of planets. Some planets will be destroyed, others ejected into interstellar space. Ultimately, over the course of tens of billions of years, it is likely that the Sun will be left with none of the original bodies in orbit around it
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How the Universe Works - Black holes - Space Discovery Documentary

How the Universe Works - Black holes - Space Discovery Documentary
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The History of Earth - How Our Planet Formed - Full Documentary HD

In the very beginning of earth's history, this planet was a giant, red hot, roiling, boiling sea of molten rock - a magma ocean. The heat had been generated by the repeated high speed collisions of much smaller bodies of space rocks that continually clumped together as they collided to form this planet. As the collisions tapered off the earth began to cool, forming a thin crust on its surface. As the cooling continued, water vapor began to escape and condense in the earth's early atmosphere. Clouds formed and storms raged, raining more and more water down on the primitive earth, cooling the surface further until it was flooded with water, forming the seas.

It is theorized that the true age of the earth is about 4.6 billion years old, formed at about the same time as the rest of our solar system. The oldest rocks geologists have been able to find are 3.9 billion years old. Using radiometric dating methods to determine the age of rocks means scientists have to rely on when the rock was initially formed (as in - when its internal minerals first cooled). In the infancy of our home planet the entire earth was molten rock - a magma ocean.

Since we can only measure as far back in time as we had solid rock on this planet, we are limited in how we can measure the real age of the earth. Due to the forces of plate tectonics, our planet is also a very dynamic one; new mountains forming, old ones wearing down, volcanoes melting and reshaping new crust. The continual changing and reshaping of the earth's surface that involves the melting down and reconstructing of old rock has pretty much eliminated most of the original rocks that came with earth when it was newly formed. So the age is a theoretical age.

When Did Life on Earth Begin?

Scientists are still trying to unravel one of the greatest mysteries of earth: When did life first appear and how did it happen? It is estimated that the first life forms on earth were primitive, one-celled creatures that appeared about 3 billion years ago. That's pretty much all there was for about the next two billion years. Then suddenly those single celled organisms began to evolve into multicellular organisms. Then an unprecedented profusion of life in incredibly complex forms began to fill the oceans. Some crawled from the seas and took residence on land, perhaps to escape predators in the ocean. A cascading chain of new and increasingly differentiated forms of life appeared all over the planet, only to be virtually annihilated by an unexplained mass extinction. It would be the first of several mass extinctions in Earth's history.

Scientists have been looking increasingly to space to explain these mass extinctions that have been happening almost like clockwork since the beginning of living time. Perhaps we've been getting periodically belted by more space rocks (ie. asteroids), or the collision of neutron stars happening too close for comfort? Each time a mass extinction occurred, life found a way to come back from the brink. Life has tenaciously clung to this small blue planet for the last three billion years. Scientists are finding new cues as to how life first began on earth in some really interesting places - the deep ocean.

Earth is Born Origins Nova Neil DeGrasse Tyson HD 1080p

Earth is Born Origins Nova Neil DeGrasse Tyson HD 1080p
The tumultuous first billion years of Planet Earth, a time of continuous catastrophe. The traumatic birth of the moon from a titanic collision between Earth and an object believed to have been the size of Mars. Bombarded by meteors and comets, rocked by massive volcanic eruptions, and scoured by hot acid rain, the early Earth seems a highly improbable place for life to have taken root. Despite such violent beginnings, scientists have found new clues that life-giving water and oxygen appeared on our planet much earlier than previously thought.

How the Universe Works - Blow your Mind of the Universe Part 12 - Space Discovery Documentary

How the Universe Works - Blow your Mind of the Universe Part 12 - Space Discovery Documentary
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How the Universe Works - The Search For a Second Earth

The Search For a Second Earth by The Science Channel. Buy How the Universe Works series on Discovery Store:

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⚠ Video information:
Serie: How the Universe Works: Season 3
Episode: 9
Network: Discovery Channel, The Science Channel
Narrator: Mike Rowe
Release date: 2014
Genre: Documentary

⚠ Video settings:
Dimension: 1280x720
Bitrate: 3500
FPS: 30
Audio: 160/48kHz

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➡ The Science Channel official website:


➡ Other links:


This video is meant for entertainment and educational purposes. The Science Channel/Discovery Channel is the developer and publisher of this documentary for the purpose of copyright. All rights reserved.

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