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Discovery and Exploration of the Universe Documentary - Secrets of the Solar System

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Secrets of the Universe and Solar System Documentary - Discovery and Exploration of Space

The idea of life on other planets is old and can be traced back to ancient times, but until just a few years ago this was all it was—an idea.

The breakthrough occurred in 1995 when we discovered the first exoplanet—a planet in orbit around another star. Suddenly, we were a little less alone in the universe.

Even though it is a young research field, the hunt for exoplanets has exploded in the last 20 years.

Within this time, we have discovered more than 3,500 exoplanets and more than 4,000 unconfirmed candidates. On average, there is more than one exoplanet for every star, meaning that there are more exoplanets in the Milky Way than there are stars.
Four exoplanets orbit star HR 8799, approximately 129 light years away from Earth. They were discovered in 2008 and could be imaged as they were large red hot, gas giants (bigger than Jupiter) in a young system. (Photo: Jason Wang and Christian Marois Orbit determination)
Four exoplanets orbit star HR 8799, approximately 129 light years away from Earth. They were discovered in 2008 and could be imaged as they were large red hot, gas giants (bigger than Jupiter) in a young system. (Photo: Jason Wang and Christian Marois Orbit determination)

We have become so good at finding exoplanets that it has almost become trivial. Now we are instead pushing our instruments and methods to the limit to learn more about what these planets are made of, and whether any of them have an atmosphere or water at the surface.

Discovery and Exploration of Space Documentary - Secrets of the Universe , Solar System & Black Hole

It’s been weeks since the weirdness began in the night sky and, like everyone else, you’ve been glued to the news. Tonight, there’s coverage of the president’s speech, followed by more analysis by astrophysicists, geologists and climatologists. Like a bad joke, they speak in terms of good news and bad news.

The good news is we’re not all dead, and the planet isn’t destroyed, hurtling off into space or swirling down the gravitational drain into the sun.
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BBC Documentary 2017 - The Complete Cosmos Secrets of the Solar System HD

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The Formation of the Solar System - The Universe and Space Exploration

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Approximately 4.5 billion years ago, gravity pulled a cloud of dust and gas together to form our solar system. While scientists aren't certain of the exact nature of the process, observations of young stellar systems combined with computer simulations have allowed them to develop three models of what could have happened so many years ago.
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The Search for Life in the Universe Documentary - Discovery and Exploration of the Planets

We ask the world's leading space scientists what we might find if we travel to a neighboring star system. Recent breakthroughs have proven that every star we see in the sky is orbited by at least one planet, many similar to our own Earth. How do we get to these exoplanets? Once there, what will we find? And what will it mean for humanity when we discover we are not alone?

Timeline of discovery of Solar System planets - Space Discovery Documentary

The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the discoverer(s) listed.

Historically the naming of moons did not always match the times of their discovery. Traditionally, the discoverer enjoys the privilege of naming the new object; however, some neglected to do so (E. E. Barnard stated he would defer any suggestions as to a name [for Amalthea] until a later paper but never got around to picking one from the numerous suggestions he received) or actively declined (S. B. Nicholson stated Many have asked what the new satellites [Lysithea and Carme] are to be named. They will be known only by the numbers X and XI, written in Roman numerals, and usually prefixed by the letter J to identify them with Jupiter.). The issue arose nearly as soon as planetary satellites were discovered: Galileo referred to the four main satellites of Jupiter using numbers while the names suggested by his rival Simon Marius gradually gained universal acceptance. The International Astronomical Union (IAU) eventually started officially approving names in the late 1970s.
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Discovery of New Exoplanets Documentary - Discovery and Exploration of the Solar System

PLANETS beyond our solar system—called exoplanets—existed only in theory and science fiction. It seemed nearly impossible to detect planets light-years away, since the relatively tiny worlds would appear billions of times fainter than their parent stars. But in the last two decades astronomers have successfully developed indirect detection methods, most of which rely on measuring the effects of orbiting planets on far-off stars.

How The Universe Works - Universe Explore - Space Discovery Documentary 2018

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How The Universe Work - Universe Explore Live Stream - Space Discovery Documentary 2018
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Secrets of the Solar System Documentary - Discovery and Exploration of the Universe

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Secrets of the Solar System Documentary - Discovery and Exploration of the Universe

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Latest Secrets of The Solar System - National Geographic The Universe Space Discovery Documentary

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MYSTERY OF INNER PLANETS | Universe documentary | Solar System Secrets - The Best Documentary Ever

Revealing the machinery of the human cell system through the narrative of viral infection.TRIM 21 attacks The Virus.

- Venus: A Shrouded Mystery is Part 2 of The Inner Planets - a Study of the Universe Title Use these 5 online ior Science .

The hollow earth requires a revision in gravity theory because the orthodox scientific theory of gravity claims that everywhere inside a hollow planet there would .

From one of the biggest mysteries of science, to lunar disappearing acts, we count 11 mysteries about our solar system that science cant explain Facebook: .

Alien Planets Discovery Documentary - Alien Stom - Space Science

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At the centre of some black holes is 'an area where space and time exists' Colonies of aliens living on planets within black holes may not be as far-fetched as it sounds. Some black holes have a complex internal structure that allows photons, particles and planets to orbit a central singularity, according to one scientist. A singularity is the region in a black hole when space and time become infinite. However, Professor Vyacheslav Dokuchaev claims that at the centre of certain black holes, and under the right conditions, is an area where the fabric of space and time exists once more. If a charged and rotating black hole is large enough, he said, it can weaken the tidal forces that are beyond the event horizon - the point where nothing, not even light, can escape a black hole's gravity.
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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.

Secrets Of The Universe - Black Holes and Our Solar System - Space Documentary

It’s been weeks since the weirdness began in the night sky and, like everyone else, you’ve been glued to the news. Tonight, there’s coverage of the president’s speech, followed by more analysis by astrophysicists, geologists and climatologists. Like a bad joke, they speak in terms of good news and bad news.

The good news is we’re not all dead, and the planet isn’t destroyed, hurtling off into space or swirling down the gravitational drain into the sun.

Secrets Of Earth: Hindi Documentary

Secrets Of Earth : Hindi Documentary

Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4 billion years ago. Earth's gravity interacts with other objects in space, especially the Sun and the Moon, Earth's only natural satellite. Earth revolves around the Sun in 365.26 days, a period known as an Earth year. During this time, Earth rotates about its axis about 366.26 times.[n 5]

Earth's axis of rotation is tilted, producing seasonal variations on the planet's surface. The gravitational interaction between the Earth and Moon causes ocean tides, stabilizes the Earth's orientation on its axis, and gradually slows its rotation. Earth is the densest planet in the Solar System and the largest of the four terrestrial planets.

Earth's lithosphere is divided into several rigid tectonic plates that migrate across the surface over periods of many millions of years. About 71% of Earth's surface is covered with water, mostly by oceans.[29] The remaining 29% is land consisting of continents and islands that together have many lakes, rivers and other sources of water that contribute to the hydrosphere. The majority of Earth's polar regions are covered in ice, including the Antarctic ice sheet and the sea ice of the Arctic ice pack. Earth's interior remains active with a solid iron inner core, a liquid outer core that generates the Earth's magnetic field, and a convecting mantle that drives plate tectonics.

Within the first billion years of Earth's history, life appeared in the oceans and began to affect the Earth's atmosphere and surface, leading to the proliferation of aerobic and anaerobic organisms. Some geological evidence indicates that life may have arisen as much as 4.1 billion years ago. Since then, the combination of Earth's distance from the Sun, physical properties, and geological history have allowed life to evolve and thrive. In the history of the Earth, biodiversity has gone through long periods of expansion, occasionally punctuated by mass extinction events. Over 99% of all species[32] that ever lived on Earth are extinct.[33][34] Estimates of the number of species on Earth today vary widely;[35][36][37] most species have not been described.[38] Over 7.4 billion humans live on Earth and depend on its biosphere and natural resources for their survival. Humans have developed diverse societies and cultures; politically, the world has about 200 sovereign states.


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The Earth is Not Alone - Space Documentary HD

People began traveling in space in 1961 in tiny spacecraft called capsules, which were launched from Earth by powerful rockets. Russian crews still travel in this kind of craft, in Soyuz capsules, but Americans now travel into space in shuttles, which are rocket-powered space planes.

HOW DO HUMANS SURVIVE IN SPACE?
There is no oxygen in space, so all crewed spacecraft carry a life-support system. This supplies air for people to breathe. The system also includes equipment to keep the air at a comfortable temperature and pressure and to remove carbon dioxide and odors.

HOW DOES SPACE TRAVEL AFFECT PEOPLE?
Gravity in space is much weaker than it is on Earth. When people travel in space, they seem to become weightless. This often makes them feel sick. Their bodies do not have to work as hard, because they are not fighting gravity to sit or stand up. If they stay in space for a long time, the lack of gravity makes their muscles start to waste away. Exercise and a special diet help to combat these effects.

WHAT IS THE FARTHEST ANYONE HAS TRAVELED IN SPACE?
Astronauts on the APOLLO PROJECT traveled to the Moon, about 239,000 miles (385,000 km) away. Russian cosmonaut Valeri Poliakov traveled a distance of about 174 million miles (280 million km) around Earth while in the Mir space station.

APOLLO PROJECT
In the space race of the 1960s, the US Apollo Project beat the Soviet Union by landing the first astronauts on the Moon. The first Moon landing, by Apollo 11, took place on July 20, 1969, when Neil Armstrong and Buzz Aldrin became the first humans to set foot on another world.

WHAT WAS THE APOLLO SPACECRAFT LIKE?
The Apollo spacecraft was launched from Earth by the Saturn V rocket. On the launch pad, the whole assembly stood 365 ft (111 m) tall. The spacecraft itself weighed 50 tons (45 metric tons). It was made from three main modules (sections). The command module for flight control housed the three-person crew. The service module carried equipment, fuel, and a rocket motor. The lunar module detached from the craft and landed two astronauts on the Moon’s surface.

HOW MANY APOLLO LANDINGS WERE THERE?
There were six Moon landings, beginning with Apollo 11 in July 1969 and ending with Apollo 17 in December 1972. During the missions, 12 astronauts explored the lunar surface for a total of over 80 hours and brought back nearly 880 lb (400 kg) of Moon rock and dust for examination on Earth.

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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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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.

Journey Through The Universe - HD Documentary


Journey Through The Universe - HD Documentary
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Neptune - the Second Blue Planet

Approaching Neptune you might be in for a surprise. What awaits you is blue planet which looks a lot like the Earth. But don't be fooled, Neptune is a lot more mysterious than you might think.

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