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The Inner Secrets of Planets and Star - Formation of the Solar System Documentary

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  • The Inner Secrets of Planets and Star - Formation of the Solar System Documentary

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    In the beginning - before the 1920s, these words had no place in our scientific understanding of the universe. Astronomers believed the cosmos to be eternal and unchanging. We knew of only one galaxy and a few million visible stars, and this was the scope of our observable universe.

    Then astronomer Edwin Hubble observed, courtesy of redshift, distant galaxies speeding away from each other and formulated Hubble's Law to explain the universe's uniform expansion. Redshift just refers to a distant celestial body's shift toward longer, or redder, wavelengths, compliments of the Doppler effect.

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  • The Inner Secrets of Planets and Star - Formation of the Solar System Documentary

    21:37

    In the beginning - before the 1920s, these words had no place in our scientific understanding of the universe. Astronomers believed the cosmos to be eternal and unchanging. We knew of only one galaxy and a few million visible stars, and this was the scope of our observable universe.

    Then astronomer Edwin Hubble observed, courtesy of redshift, distant galaxies speeding away from each other and formulated Hubble's Law to explain the universe's uniform expansion. Redshift just refers to a distant celestial body's shift toward longer, or redder, wavelengths, compliments of the Doppler effect.

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  • The Milky Way Galaxy Planets, Amazing HD Exploration - BBC Documentary,

    1:35:49

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    The Milky Way Galaxy Planets, Amazing HD Exploration - BBC Documentary

    This video gives an impression of how common planets are around the stars in the Milky Way. The planets, their orbits and their host stars are all vastly magnified compared to their real separations. A six-year search that surveyed millions of stars using the microlensing technique concluded that planets around stars are the rule rather than the exception. The average number of planets per star is greater than one. This means that there is likely to be a minimum of 1,500 planets within just 50 light-years of Earth.

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    The Milky Way Galaxy Planets, Amazing HD Exploration - BBC Documentary


    Category of the video: BBC Documentaries, National Geographic (Nat Geo) Documentary, Discovery Channel Documentaries. PBS Documentaries.

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  • The Inner Secrets Of Planets and Star Documentary_Formation of the solar system

    15:54

    The Inner Secrets Of Planets and Star Documentary_Formation of the solar system

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  • Solar System 101 | National Geographic

    4:11

    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.
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    #NationalGeographic #SolarSystem #Educational

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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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  • History of the Planets in Solar System Documentary The Universe

    48:40

    To the Greeks and Romans there were seven known planets, each presumed to be circling Earth according to the complex laws laid out by Ptolemy. They were, in increasing order from Earth (in Ptolemy's order and using modern names): the Moon, Mercury, Venus, the Sun, Mars, Jupiter, and Saturn

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  • Secrets of the Universe | The Solar System

    15:38

    Simple moving pictures explains the origin and workings their Solar System to the ignorant and superstitious native Earthlings.
    #secretsoftheuniverse #solarsystem #science

    ►Credit:
    Mark Leslie - Director, Scriptwriter
    Peter Whittaker - Graphic Animator

  • Puzzling Moons of the Solar System | DOCUMENTARY | Science is Exploring These Hidden Worlds

    37:54

    These moons are strange it more ways than one, it is not just their unique features and behavior that have astronomers fascinated, but also how they formed and how they came to be where they are. Their intriguing mystery is making astronomers and scientists work harder than ever before to find out exactly how they affect planets, sometimes how they affect us and if they could harbor life.

  • The Formation of the Solar System in 4K

    6:17

    In beautiful 4K resolution, the story of how our Earth was formed four and a half billion years ago told from the perspective of an asteroid called Bennu (which has survived until now). NASA has sent a satellite to study Bennu and help us learn more about the beginning of our solar system.

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  • History of the Planets in Solar System Documentary - Journey from the Center of the Universe

    48:30

    In the beginning - before the 1920s, these words had no place in our scientific understanding of the universe. Astronomers believed the cosmos to be eternal and unchanging. We knew of only one galaxy and a few million visible stars, and this was the scope of our observable universe.

    Then astronomer Edwin Hubble observed, courtesy of redshift, distant galaxies speeding away from each other and formulated Hubble's Law to explain the universe's uniform expansion. Redshift just refers to a distant celestial body's shift toward longer, or redder, wavelengths, compliments of the Doppler effect.

  • The Incredible Landscapes Of Space | The Secrets Of The Universe | Spark

    1:25:02

    A documentary presented in a lighthearted manner, The Secrets Of The Universe marvels at the sights and the astral bodies that surround us in the Solar System.

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  • How the Universe Works: Another Earth - NOVA Documentary

    1:44:39

    How the Universe Works is the ultimate cosmos operator's manual, a revealing look at the inner workings of outer space. Computer imagery allows viewers to explore black holes, supernovas, neutron stars, dark energy, and all of the other forces that produce what exists and what people see.
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  • Solar System Moon Discoveries Documentary | Space Exploration of Extraordinary Worlds

    37:21

    Space scientists are turning their attention from Mars to another possible haven for alien life – liquid oceans locked under miles of ice on some of our Solar System's moons. ... Europa is perhaps the most well-known target for exploration. ... more extraordinary claim than we have found life on another world ...

  • Potential Life on other Planetary Documentary | Formation of the Solar System Documentary

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    The Search for Life in the Universe Documentary | The Complete Cosmos Secrets of the Solar System
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  • Extraterrestrial Life in Our Solar System | Documentary | National Geographic

    1:5:39

    If we discovered evidence of alien life, would we even realize it? Life on other planets could be so different from what we're used to that we might not recognize any biological signatures that it produces.

    Recent years have seen changes to our theories about what counts as a biosignature and which planets might be habitable, and further turnarounds are inevitable. But the best we can really do is interpret the data we have with our current best theory, not with some future idea we haven't had yet.

    This is a big issue for those involved in the search for extraterrestrial life. As Scott Gaudi of Nasa's Advisory Council has said: One thing I am quite sure of, now having spent more than 20 years in this field of exoplanets … expect the unexpected.

    But is it really possible to expect the unexpected? Plenty of breakthroughs happen by accident, from the discovery of penicillin to the discovery of the cosmic microwave background radiation leftover from the Big Bang. These often reflect a degree of luck on behalf of the researchers involved. When it comes to alien life, is it enough for scientists to assume we'll know it when we see it?

    Many results seem to tell us that expecting the unexpected is extraordinarily difficult. We often miss what we don't expect to see, according to cognitive psychologist Daniel Simons, famous for his work on inattentional blindness. His experiments have shown how people can miss a gorilla banging its chest in front of their eyes. Similar experiments also show how blind we are to non-standard playing cards such as a black four of hearts. In the former case, we miss the gorilla if our attention is sufficiently occupied. In the latter, we miss the anomaly because we have strong prior expectations.

    There are also plenty of relevant examples in the history of science. Philosophers describe this sort of phenomenon as theory-ladenness of observation. What we notice depends, quite heavily sometimes, on our theories, concepts, background beliefs, and prior expectations. Even more commonly, what we take to be significant can be biased in this way.

    For example, when scientists first found evidence of low amounts of ozone in the atmosphere above Antarctica, they initially dismissed it as bad data. With no prior theoretical reason to expect a hole, the scientists ruled it out in advance. Thankfully, they were minded to double-check, and the discovery was made.
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  • How Are Stars Formed? | Secrets Of The Universe | Spark

    3:30

    Electromagnetic data and supercomputer models let us simulate the very first stars.

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    #Universe #stars #spacecrafts #technology #spacetechnology #engineering #sun #solarerruptions #solarflare #spaceweatherforecasting

  • Undiscovered Worlds | Secrets Of The Universe | Spark

    24:28

    Epic black holes, nuclear furnaces at the core of giant stars and volcanic pressure cookers inside planets - all across the immense reaches of time and space, the universe is being transformed by seething caldrons of energy.

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    #Undiscoveredworlds #spaceage #spacetravel #solarsystem #aliens #science #sciencefiction #technology #spacetechnology #planets #gravity

  • Where is the Centre of the Universe - The Search for Life in Space Documentary

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    There is no centre of the universe! According to the standard theories of cosmology, the universe started with a Big Bang about 14 thousand million years ago and has been expanding ever since. Yet there is no centre to the expansion; it is the same everywhere.

    On a clear, moonless night, one can often see a hazy, luminous band stretching across the sky. The ancients devised many fanciful myths to account for this milky way. Galileo was the first to look at this haze with a telescope and discover that it was composed of countless dim stars. Today, we realize that this hazy band is our view from the inside of a vast disk that is home to billions of stars, including our own Sun, and vast amounts of interstellar dust. This is our galaxy — the Milky Way.
    Earlier in this century, Edwin Hubble's observations led to the discovery that ours is only one of many billions of galaxies that dot the universe with each galaxy home to billions of stars. Some, like the Milky Way, are flat disks with arcing spiral arms and regions of dense interstellar gas, called nebulae, which are active sites of star formation. Yet others are ellipse-shaped agglomerations of mature stars, virtually devoid of interstellar gas or dust.

  • Planets that Exist Outside Earth’s Solar System - Discovery of Alien Planets in our Solar System

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    McGill Physics student Evelyn Macdonald and her supervisor Prof. Nicolas Cowan used over a decade of observations of Earth's atmosphere taken by the SCISAT satellite to construct a transit spectrum of Earth, a sort of fingerprint for Earth's atmosphere in infrared light, which shows the presence of key molecules in the search for habitable worlds. This includes the simultaneous presence of ozone and methane, which scientists expect to see only when there is an organic source of these compounds on the planet. Such a detection is called a biosignature.

    A handful of researchers have tried to simulate Earth's transit spectrum, but this is the first empirical infrared transit spectrum of Earth, says Prof. Cowan. This is what alien astronomers would see if they observed a transit of Earth.

  • Mars Making the New Earth | Full Documentary

    50:01

    In National Geographic Channel’s “Mars: Making the New Earth”, award winning writer/producer Mark Davis and legendary Mars animator Dan Maas collaborate with McKay on the first in depth visualization of what it would take to turn a cold, dead planet into a living world.

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  • Dark Matter and Dark Energy Documentary - Exploring the Start of the Universe

    00

    What did the ancient Greeks recognize as the universe? In their model, the universe contained Earth at the center, the Sun, the Moon, five planets, and a sphere to which all the stars were attached. This idea held for many centuries until Galileo’s telescope helped allow people to realize that Earth is not the center of the universe. They also found out that there are many more stars than were visible to the naked eye. All of those stars were in the Milky Way Galaxy.

    In the early 20th century, an astronomer named Edwin Hubble Figure below discovered that what scientists called the Andromeda Nebula was actually over 2 million light years away, many times farther than the farthest distances that had ever been measured. Hubble realized that many of the objects that astronomers called nebulas were not actually clouds of gas, but were collections of millions or billions of stars that we now call galaxies.

  • Jupiter 101 | National Geographic

    3:17

    Jupiter is the oldest and most massive world in the solar system. Learn about the planet's origin story, its Great Red Spot and oceanic moons, and how this ancient world influenced the formation of the solar system's other planets.
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  • The rivers of the Solar System

    43:16

    Comets are not random; they follow courses prescribed by gravity, much like water in a river. In this episode, we sail the rivers of the Solar System to find their sources.
    My video on Planet Nine:
    My video on the rings of Saturn:
    My video on the history of the Kuiper belt:

  • Naked Science - Deadliest Planets

    46:07

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    What are the most violent and dangerous planets in our Solar System?

    One day the time may come when humans have developed technology advanced enough to send sections of Earth’s population to settle on other planets. What kinds of world can we expect to find, how do they compare with our own, and what measures would we need to take to adapt to their alien environments? Naked Science takes us on journey through the Solar System and beyond, examining some of the most extreme characteristics of our planetary neighbours.

  • Bizarre Moons of the Solar System DOCUMENTARY - These Moons Shouldnt Exist

    31:54

    The strongest candidates for natural satellite habitability are currently icy satellites such as those of Jupiter and Saturn—Europa and Enceladus respectively, although if life exists OTHER MOONS, it would probably be confined to subsurface habitats.

  • Where Did Earths Water Come From?

    31:31

    Written & Researched by Leila Battison. Check out her channel:-

    Script & video edited & by Pete Kelly. Check out his channel:-

    Narrated by David Kelly. Check out his channel:-


    Thumbnail Art by Ettore Mazza
    Artwork by Eduardo Valdez

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    Image sources:-
    Iván Éder / CC BY-SA (
    By Percival Lowell - Яков Перельман - Далёкие миры. СПб, типография Сойкина (English transliteration: Yakov Perelman - Distant Worlds. St. Petersburg, Soykin printing house), 1914., Public Domain,
    By Mariner 4 - NASA, Public Domain,
    By Unknown author - Reconstructed from several online sources by Joe Haythornthwaite, Public Domain,
    By John Evans and Howard Periman, USGS - Public Domain,
    NASA/Goddard Space Flight Center
    By ESA - European Space Agency & Max-Planck Institute for Solar System Research for OSIRIS Team ESA/MPS/UPD/LAM/IAA/RSSD/INTA/UPM/DASP/IDA - CC BY-SA 3.0-igo,
    By European Southern Observatory / M. Kornmesser - CC BY-SA 4.0,
    By Iván Éder - CC BY-SA 3.0,

    By Frank E. Schoonover (illustration) - Here, Public Domain,
    By Henrique Alvim Corrêa - drzeus.best.vhw.net, Public Domain,

  • The First Known Interstellar Visitor, 1I/‘Oumuamua

    1:6:26

    Speakers: Matija Cuk & Meg Schwamb (SETI Talks 2018)

    A SETI Talk on 1I/`Oumuamua, the first known interstellar small body, possibly an asteroid which is probably coming from another planetary system. Its recent discovery by Pan-STARRS1 offers a rare opportunity to explore the planetary formation processes of other stars, and the effect of the interstellar environment on a planetesimal surface. Since its discovery, astronomers around the world have raced to use the most powerful ground-based and space-borne telescopes to collect information on its nature. Two astronomers, Meg Schwamb, astronomer at the Gemini Observatory in Hawaii and Matija Cuk, astronomer at the SETI Institute in Mountain View, will discuss the nature of 'Oumuamua, its color and shape in comparison with known small solar system bodies, as well as its origin derived from its extremely elongated shape and its orbit. They will show how its peculiarities seem to imply that 'Oumuamua is one of the most important discoveries of the decade in astronomy.

    Matija Cuk is a Research Scientist at the SETI Institute. He received his Ph.D. degree from Cornell University in 2005. He uses computer simulations to study the past and present evolution of the orbits of the planets, moons and asteroids. His recent work focused on the origin of Earth's Moon, as well as the moons and rings of Saturn. In 2014 he was awarded the Harold Urey Prize for early career achievement from the Division of Planetary Sciences of the American Astronomical Society.

    Meg Schwamb is an assistant scientist at the Gemini Observatory based in Hilo, Hawai'i. Meg's research focuses on how planets and their building blocks form and evolve, applying ground-based surveys to probe our Solar System's small body reservoirs. She is also involved in the Planet Four citizen science projects, which enlists the public to help study the seasonal processes of the Martian south pole and map the distribution of ridges on the Martian mid-latitudes. Meg also serves as co-chair of the Large Synoptic Survey Telescope's Solar System Science Collaboration. Meg was awarded the 2017 Carl Sagan Medal for Excellence in Public Communication in Planetary Science from the American Astronomical Society's Division for Planetary Science.

  • The Search for Planet 9 | Dr. Renu Malhotra | TEDxPortland

    14:53

    Move over Pluto - Is there a 9th planet in our Solar System? Dr. Malhotra and other planetary scientists have discovered the theory of Planet 9 after noticing that something was exerting a gravitational force on objects in the Kuiper Belt – an area of comets, the dwarf planet Pluto and huge icy objects beyond Neptune that encircles the whole solar system.

    With special thanks to the UNIVERSITY OF OREGON for presenting partnership, a world class stage design provided by HENRY V, an incredible legacy bound book provided by PREMIER and to the creative digital craft provided by ENJOY THE WEATHER. All of our Partners and event history can be found TEDxPortland.com

    In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized.* (*Subject to certain rules and regulations)



    An esteemed professor of physics, member of the National Academy of Sciences and of the American Academy of Arts and Sciences, Dr. Malhotra is an esteemed astrophysicist. She has examined a wide variety of topics, spanning from extrasolar planets to the meteoric bombardment history of the planets. She has revolutionized our understanding of the formation of “Plutinos” and other small planets, as well as the orbital migration of giant planets. She cannot help us understand why man-buns are in style.

    This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at

  • Whats Under The Ice In Antarctica?

    10:45

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  • Are We In Danger Of An Asteroid Attack? | Cosmic Travellers | Spark

    47:20

    The 1997 documentary Cosmic Travellers: Comets and Asteroids shows an era of excitement and fear about the possibilities of space. Predating the modern technology propelling us through space exploration today, the scientists studying the travel paths of comets and asteroids give us an insight on their research. From simulations of an asteroid impact on Earth, to sending astronauts to their surface, we’ll learn of the ways we can use comets to study the origins of life, and the catastrophic disasters that could be looming in our future.

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    #Space #Spacetravel #Asteroids #Comets #Cosmictravellers #90s #naturaldisaster #technology #enigineering #rockets #astronauts #education

  • Life on VENUS ???? and on other PLANETS of the Solar System ???? with irrefutable PROOF!!

    4:58

    There are signs of LIFE on VENUS! ???? Recent news have broadcasted new evidence about life on Venus!???? At Terrifive we want to share with you the EVIDENCE found, but also show you what has been found on other PLANETS of our solar system.

  • Top 10 AMAZING Facts About PLANET JUPITER

    8:43

    Welcome to Top10Archive! As we continue on our quest to get to know our galaxy better, we come to the 5th planet from the sun, Jupiter. Some of you may recognize it as the “Just” in the grade school mnemonic, My Very Educated Mother Just Served Us Nine Pizza's. We may not have nine pizzas, but we do have ten great facts about Jupiter for you to digest.

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    10. The Biggest Planet
    9. Five Times Farther
    8. Shortened Days
    7. The Gassy Planet
    6. Jupiter is Home to Damaging Storms
    5. Nobody has Claimed Jupiter’s Discovery
    4. Galileo’s Discovery
    3. The Many, Many Moons of Jupiter
    2. Largest Moon
    1. A 300 Year Storm

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  • Mars Calling: Manifest Destiny or Grand Illusion

    54:02

    For more 4K space, and more great History and Science than you'll ever watch, check out our sister network...

    This film brings together the mythic and the scientific to show that Mars may not be what we imagine. Some believe Mars is the next home for Humanity. But the real “red planet” is a trickster; strikingly beautiful, yet sweetly sinister. Even as a growing armada of instruments arrive, this small cold world continues to conceal its secrets. The technological means to cross space and perhaps bring this small world back to life is just now coming within our grasp. Settlers beware: Mars is likely to change Humanity as much as we change it.

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    Here at SpaceRip, we value the exploration of the unknown. We surpass boundaries for the sake of uncovering the mysteries of the cosmos and what they may tell us about our origin and our future. With our videos, we hope to educate our viewers on how we fit into the universe, and more so how we can do our part to better it.

    We have partnered with MagellanTV with the goal of providing our viewers with insight regarding our uncertain future on Earth and beyond. Equipped with knowledge, we hope to inspire people to enact change and pave the way for a better tomorrow.

  • The Boundary Between Black Holes & Neutron Stars

    15:01

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    When we detected the very first gravitational wave, a new window was opened to the mysteries of the universe. We knew we’d see things previously thought impossible. And we just did - an object on the boundary between neutron stars and black holes, which promises to reveal the secrets of both.

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    Camera Operator: Bahaar Gholipour
    Executive Producers: Eric Brown & Andrew Kornhaber

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    Ligo’s First Detection of Gravitational Waves:
    The Future of Gravitational Waves:
    How to build a black hole
    Strange Stars -

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  • Cosmic Journeys - Hubble: Universe in Motion

    50:02

    Watch the 50-minute 4k feature, Venus: Death of a Planet, on:


    Since its launch 25 Years ago, the Hubble Telescope has returned images of unprecedented beauty of a dynamic and changing universe.

    In this episode of COSMIC JOURNEYS, Hubble’s most iconic images are bought to life to answer some of the most important questions facing astronomers today. Colliding galaxies, the birth and death of stars, jets of gas thrown out by material crashing into distant suns: these incredible images tech us valuable lessons about how galaxies are formed, what dark matter is and even the fate of the earth itself.

    ABOUT US
    Here at SpaceRip, we value the exploration of the unknown. We surpass boundaries for the sake of uncovering the mysteries of the cosmos and what they may tell us about our origin and our future. With our videos, we hope to educate our viewers on how we fit into the universe, and more so how we can do our part to better it.

    We believe there is no better time to inform ourselves about the world around us. Our partnership with MagellanTV is aimed to educate viewers on our complex world to prepare for our rapidly changing future. Through our videos we hope to capture a variety of important topics with the overall goal of promoting positive discussion and action.

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  • Are We Alone? | How the Universe Works

    8:47

    There are billions of stars in our galaxy, with billions of planets circling them. But, as far as we know, only one planet has life: Earth. But are we really alone?

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  • Who Was The Real King Arthur? | Awaking Arthur | Timeline

    54:41

    Awaking Arthur explores the possibility that it was ''from early man's primitive observations of the natural world that resurrecting Solar-heroes such as King Arthur gradually evolved.'' The documentary encompasses the significance of ancient rituals held amongst the great Standing Stones of the Megalithic Culture and continues on into Celtic legends and their early Christian adaptations.

    Timeline viewers can get 3 months of History Hit TV for $3, just use code TIMELINE at checkout.

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  • The Alchemy of Neutron Star Collisions

    15:41

    Carl Sagan’s famous words: “We are star stuff” refers to a mind-blowing idea – that most atomic nuclei in our bodies were created in the nuclear furnace and the explosive deaths of stars that lived in the ancient universe. In recent years it’s become clear that the truth is even more mind-blowing. Many heavy elements - includes most precious metals - were produced in an even more spectacular event: the collision of neutron stars. In fact, according to a recent study most of the Earth’s supply of these elements was created in a single neutron star merger that took place near our Sun’s birth nebula 80 million years ago before Earth formed.

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    When I was in astrophysicist school they taught us that all of the elements of the periodic table between carbon and iron were produced in onion shells by nuclear fusion in the cores of very massive stars during the last phases of their lives. And that the elements heavier than iron were synthesized in the following supernova explosion. That latter process is well understood – the star’s dead core collapses and protons are converted to neutrons. The surrounding shells ricochet outwards, along with a layer of the iron and nickel core. The latter is blasted by a wave of neutrons, which get rammed into the escaping nuclei. Some of those captured neutrons convert back to protons and so elements all the way up the periodic table can be made. This is the rapid neutron capture or r-process. The rapid part is because neutrons are captured faster than nuclei can decay, making it possible to build very heavy nuclei.

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  • The Formation of the Solar System and the Structure of the Sun

    11:49

    So we learned about the formation of the Milky Way, which is the galaxy that we live in. But where in that galaxy do we live? We live on a planet that orbits a star that we simply refer to as The Sun, so where is that, and when did our solar system form? We are now ready to learn about how our home planet came to be! Let's check it out.

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  • Planets in Our Solar System - Space Documentary

    45:49

    Some information are posted below for details. Pls check. Thanks.
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    How the Universe Works - Planets in Our Solar System - Space Discovery Documentary.
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  • UNIVERSE : Wonders of the Solar System - Full AMAZING Documentary 2017 HD

    2:1:52

  • Biggest Secrets of the Cosmos | Documentary | Major Discoveries that Changed Astrophysics

    37:02

    The telescope also began a series of discoveries concerning black holes. It spotted evidence of a Type 2 quasar black hole emanating X-rays behind a thick sheet of material that previously hid the black hole's existence.

    Later, scientists announced a possible new kind of black hole in the galaxy M82. From eight months of observations, the scientists said the black hole could represent an evolutionary stage between small black holes formed from stars, and the much more massive ones lurking in the centers of galaxies.

    The black hole in M82 packs the mass of at least 500 suns into a region about the size of the moon, NASA wrote in September 2000.

    Such a black hole would require extreme conditions for its creation, such as the collapse of a 'hyperstar' or the merger of scores of black holes.


    Possible dark matter and other findings
    Astronomers are on a continual hunt for dark matter, which is believed to be practically invisible stuff that makes most of the universe. So far, we can only detect it through its gravity.

    In 2006, a team of astronomers spent more than 100 hours using Chandra to watch the galaxy cluster 1E0657-56, which contains gas from a galaxy cluster collision. Chandra's observations were combined with that of several other observatories.

    Researchers examined the effect the galaxy cluster had on gravitational lensing, which is a known way that gravity distorts the light from background galaxies. Their observations of the gravity showed that normal matter and dark matter ripped apart during the galaxy collision.

    While the dark matter search continues, Chandra has been used to find other missing matter. In 2010, researchers used Chandra and the European Space Agency's XMM-Newton observatory, probing a reservoir of gas resting along a wall of galaxies about 400 million light-years away from Earth.

    Scientists found evidence of baryons, which are electrons, protons and other particles that compose matter found through much of our universe. The researchers suspected the gas would contain a significant amount of this matter.

    While scientists continue to probe the nature of matter, Chandra continues to produce stunning pictures that also reveal the structure of the universe. These pictures include a survey of planetary nebulas and a fast-growing galaxy cluster, as well as a superbubble found in the Large Magellanic Cloud.

    In 2013, Chandra detected a record-breaking outburst from the Milky Way's supermassive black hole, an object known as Sagittarius A*, or Sgr A*. At the time, astronomers were observing how Sgr A* would react to what was then suspected to be a cloud of gas but later determined to be a cloud surrounding a compact object. While G2 didn't produce the fireworks scientists hoped for, scientists did spot a megaflare that was 400 times brighter than the black hole's normal quiescent state, three times brighter than the previous record holder.

    If an asteroid was torn apart, it would go around the black hole for a couple of hours – like water circling an open drain – before falling in, Fred Baganoff of the Massachusetts Institute of Technology in Cambridge, Massachusetts, said in a statement. That's just how long we saw the brightest X-ray flare last, so that is an intriguing clue for us to consider.

    Another theory suggests that the magnetic field lines within G2 became tangled as they flowed toward Sgr A*. The occasional reconfiguration of the field lines produces a bright x-ray outburst similar to magnetic flares seen on the sun.

    In 2017, Chandra was one of several instruments that picked up a pulse of high-energy light from the powerful explosion caused by two merging neutron stars. Observations with the National Science Foundation's Laser Interferometer Gravitational-wave Observatory (LIGO) had spotted gravitational waves tied to the collision, encouraging scientists to hunt for signs of the explosion's aftermath.

    This is extremely exciting science, Paul Hertz, director of NASA's Astrophysics Division, said in a statement. Now, for the first time, we've seen light and gravitational waves produced by the same event. The detection of a gravitational-wave source's light has revealed details of the event that cannot be determined from gravitational waves alone. The multiplier effect of study with many observatories is incredible

  • Our Solar System Documentary - Part 2

    5:43

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    Beyond the asteroid belt, we go to our big brother Jupiter. This gas giant has been protecting us from killer asteroids for millennia. It's mass of one-thousandth that of the Sun exerts a gravitational pull that attracts most of rouge objects in our cosmic backyard. A high-pressure region in the atmosphere of Jupiter, produced an anticyclonic storm larger than 2 Earths. It has been raging for over 300 years. It's known as the legendary, Great Red Spot. Jupiter has been explored on several occasions by robotic spacecraft. The latest probe to visit the planet is Juno, which entered into orbit around Jupiter on July 4, 2016.

    Future targets for exploration in the Jupiter system include the probable ice-covered liquid ocean of its moon, Europa.
    After Jupiter the second largest planet in the solar system is the roman god of wealth and liberation, Saturn. It is a gas giant with an average radius about nine times that of Earth. The planet's most famous feature is its prominent ring system that is composed mostly of ice particles, with a smaller amount of rocky debris and dust. The Voyager images showed a persisting hexagonal wave pattern around the north polar vortex in the atmosphere. The sides of the hexagon are each about 13,800 km long, which is longer than the diameter of the Earth. imaging of the south polar region indicates the presence of a jet stream. In November 2006, NASA reported that Cassini had observed a hurricane-like storm locked to the south pole that had a clearly defined eyewall.

    The next planet is the Greek god of the heavens, Uranus. It is the 7th planet from the Sun and has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus has a bulky chemical composition which differs from that of the larger gas giants Jupiter and Saturn. For this reason, scientists often classify Uranus as an ice giant to distinguish it from the gas giants. It has the coldest planetary atmosphere in the Solar System, with a minimum temperature of −224 °C. Like the classical planets, Uranus is visible to the naked eye, but it was never recognized as a planet by ancient observers because of its dimness and slow orbit. Sir William Herschel announced its discovery in1781, expanding the known boundaries of the Solar System for the first time in history and making Uranus the first planet discovered with a telescope.

    The eighth and farthest known planet from the Sun is the Roman god of the sea, Neptune. It has an official astronomical symbol of a stylized trident. Neptune is not visible to the unaided eye and is the only planet in the Solar System found by mathematical prediction rather than by empirical observation. Traces of methane in the outermost regions in part account for the planet's blue appearance. Similar to Uranus, Neptune's interior is primarily composed of ices and rock and thus is considered an Ice Giant.
    The Voyager 2 flyby in1989 detected active and visible weather patterns in the southern hemisphere. One of it's observation was the Great Dark Spot, comparable to the Great Red Spot on Jupiter.
    Beyond the orbit of Neptune, there are no more planets in the solar system. But wait...Aren't we forgetting something?
    Isn't Pluto supposed to be the 9th planet?

    Since it's discovery by Clyde Tombaugh in 1930, Pluto was known as the 9th planet from the Sun. After 1992 however, its status as a planet was questioned following the discovery of several objects of similar size in the Kuiper belt. In 2005, Eris was discovered which is 27% more massive than Pluto.

    This led the International Astronomical Union to define a celestial body as a planet IF it checks the following boxes:
    1. Is in orbit around the Sun,
    2. Has sufficient mass to assume hydrostatic equilibrium (a nearly round shape),
    and 3. Has cleared the neighborhood around its orbit.

    Pluto doesn't check the last box so its excluded from the definition of a planet and is reclassified as a dwarf planet.

    Voyager 1 is the only spacecraft to cross the Helio-Pause and enter the interstellar medium. Traveling at 17km per second, it took nearly 42 years to do so. When it reaches the Oort Cloud, it will escape the Sun's gravitational influence, marking the edge of our solar system.

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  • क्या हमारे सौर मंडल में नौवां ग्रह है ???????........

    45:41

    Also watch :
    1: ब्रह्मांड अजीबोगरीब ग्रहों से भरा पड़ा है

    2: How extreme stars are formed

    3: Darkmatter enigma


    4: NASA's unexplained files in Hindi

    This article is about the hypothetical planet first suggested in 2014. For other uses, see Planet Nine (disambiguation).
    Not to be confused with Planet X.
    For doomsday speculation concerning Planet Nine, see Nibiru cataclysm § Planet Nine.
    Planet Nine
    Planet nine artistic plain.png
    Artist's impression of Planet Nine as an ice giant eclipsing the central Milky Way, with the Sun in the distance.Neptune's orbit is shown as a small ellipse around the Sun.

    Planet Nine is a hypothetical planet in the outer region of the Solar System. Its gravitational influence could explain a statistical anomaly in the distribution of orbits of a group of distant trans-Neptunian objects (TNOs) found mostly beyond the Kuiper belt in the scattered disc region.This undiscovered super-Earth-sized planet would have an estimated mass of ten Earths, a diameter two to four times that of Earth, and an elongated orbit lasting approximately 15,000 years. To date, efforts to detect Planet Nine have failed.

    Speculation that the clustering of the orbits of the most distant objects was due to a ninth planet began in 2014 when astronomers Chad Trujillo and Scott S. Sheppard noted the similarities in the orbits of Sedna and 2012 VP113 and several other objects in the journal Nature. In early 2016, Konstantin Batygin and Michael E. Brown described how the similar orbits of six TNOs could be explained by Planet Nine and proposed a possible orbit for the planet.This hypothesis could also explain TNOs with orbits perpendicular to the inner planets[1] and others with extreme inclinations,as well as the tilt of the Sun's axis.

    Batygin and Brown proposed that Planet Nine is the core of a primordial giant planet that was ejected from its original orbit by Jupiter during the genesis of the Solar System.Others have proposed that the planet was captured from another star, is a captured rogue planet, or that it formed on a distant orbit and was scattered onto an eccentric orbit by a passing star.

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  • What Is The Oort Cloud?

    11:10

    Looking at where we are now. With our back to the sun, and the Planets, Asteroids and comets behind us, we face Deep Space. There’s nothing between us and the stars that are very far away. Or is there? The Empty space beyond Neptune is not empty. What if we tell you that the Solar system is in the centre of a Giant ice-cloud! This cloud might be filled with billions and trillions of comets and other objects. What is the Oort Cloud?
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    Before talking about this cloud, let’s talk about what are comets? Comets are cosmic snowballs of frozen gases, rocks and dust, orbiting the sun. They are typically the size of a town.These comets while orbiting the sun, get close to it and in the process are heated. Upon heating, they emit dust and gases into a giant glowing head. The dust and gases form a tail that stretches away from these for millions of miles. There are two main classes of comets : Short-period comets (also called elliptical comets) and long period comets. Short period comets are generally accepted to have emerged from either the Kuiper belt or the Scattered Disc which are two linked flat discs of icy debris beyond Neptune’s orbit at 30 au and jointly extending out beyond 100 au from the Sun. Short period comets have an orbital period of less than 200 years and orbit the Sun in the same plane as the planets. Long period comets have tilted and wildly elliptical orbits and appear from every direction in the sky. Their orbits last for thousands of years. The orbits of comets within the Kuiper belt are relatively stable, and so very few comets are thought to originate there. The scattered disc, however, is dynamically active, and is far more likely to be the place of origin for comets. Comets pass from the scattered disc into the realm of the outer planets, becoming what are known as centaurs. These centaurs are then sent farther inward to become the short-period comets. There are 3,364 comets discovered so far.
    But there is a problem here. Comets loose material and burn up when they fly by the sun and melt in the spectacular process which creates those gorgeous tails. After an interval of time comets disappear, and yet new comets keep coming. It's been nearly 4.5 Billion years to our solar systems birth and yet these comets are still appearing from nowhere. So where are they coming from? And what makes them come toward us? This was a very puzzling question back in the mid- 20th century. It was first theorised and solved by Dutch Astronomer, Jan Oort in 1950. He was also the first person to find the evidence for dark matter. He also found the distance of our Solar System from the Centre of our Milky Way. To understand what he proposed, lets go a bit back in time, about 4.5 Billion years back. Lets Observe our solar system, coalescing out of a flat disk of material around the sun, the inner planets were warmer, smaller and rocky while the outer planets were in a region that was freezing and grew huge. As this part of the solar system was chillier, water came in the form of ice mixed with dust and other stuffs. These pieces would then collide and stick together, and in the process they grew bigger. So, after the planets formed, the region in which they were formed still contained lots of these leftover chunks of ice and stuff called Planetesimals. Planetesimals formed the same material as the planets did. But those outer Jovian planets, they had a lot of gravity and any piece of chunk that got too close to them, were either assimilated in them or got thrown into highly eccentric orbits. They were either thrown towards the sun or flung out into Deep Space. Trillions upon trillions of such ice balls got tossed around by the planets. These small chunks with a very little gravity pulled on the heavy planets and the planets did the same. Though, the gravitational pull of these small chunks of ice was not much, but after trillions of these encounters, it accounted. So, the overall effect of all these encounters was that the Saturn, Uranus and Neptune moved outwards and Jupiter moved Inwards. As Neptune was moving outwards, it had a lot of encounters with these ice chunks and flung them into wild elliptical and tilted orbits. This shuffling and moving of the outer planets is what caused the Late Heavy Bombardment in our solar system.Today, there are three distinct populations of these objects. One is a region called the Kuiper belt, named after the Dutch Astronomer Gerard Kuiper. Comets in this belt have a stable orbit aligned with the planets.


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  • THE 7 WONDERS OF THE SOLAR SYSTEM | ASTRONOMICAL - EP 4 ????????????

    23:53

    A mountain 3 times the size of Everest? ????
    A storm big enough to engulf Earth multiple times and a Moon, with more volcanoes than our entire planet. ????????

    These are just a few of the Wonders of our solar system.

    THE WONDERS (Spoilers):
    1. Olympus Mons ????
    2. Jupiter's Great Red Spot ????
    3. Asteroid Belt ☄
    4. Galilean Moons ????
    5. Enceladus ????
    6. Titan????
    7. Voyager 1 ????


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  • சூரியக்குடும்பம் ஒரு சுற்றுலா | Tour of our Solar System in Tamil

    24:33

    Our Earth is unique in this universe. But our every day activities continually destroy it making it difficult for our children and their children to survive in the future. To truly understand its beauty, we must understand how unique earth is in our solar system.

    The principal component of the Solar System is the Sun, a G2 main-sequence star that contains 99.86% of the system's known mass and dominates it gravitationally. The Sun's four largest orbiting bodies, the giant planets, account for 99% of the remaining mass, with Jupiter and Saturn together comprising more than 90%. The remaining objects of the Solar System (including the four terrestrial planets, the dwarf planets, moons, asteroids, and comets) together comprise less than 0.002% of the Solar System's total mass.

    Most large objects in orbit around the Sun lie near the plane of Earth's orbit, known as the ecliptic. The planets are very close to the ecliptic, whereas comets and Kuiper belt objects are frequently at significantly greater angles to it. As a result of the formation of the Solar System planets, and most other objects, orbit the Sun in the same direction that the Sun is rotating (counter-clockwise, as viewed from above Earth's north pole). There are exceptions, such as Halley's Comet. Most of the larger moons orbit their planets in this prograde direction (with Triton being the largest retrograde exception) and most larger objects rotate themselves in the same direction (with Venus being a notable retrograde exception).

    The overall structure of the charted regions of the Solar System consists of the Sun, four relatively small inner planets surrounded by a belt of mostly rocky asteroids, and four giant planets surrounded by the Kuiper belt of mostly icy objects. Astronomers sometimes informally divide this structure into separate regions. The inner Solar System includes the four terrestrial planets and the asteroid belt. The outer Solar System is beyond the asteroids, including the four giant planets. Since the discovery of the Kuiper belt, the outermost parts of the Solar System are considered a distinct region consisting of the objects beyond Neptune.

    Most of the planets in the Solar System have secondary systems of their own, being orbited by planetary objects called natural satellites, or moons (two of which, Titan and Ganymede, are larger than the planet Mercury), and, in the case of the four giant planets, by planetary rings, thin bands of tiny particles that orbit them in unison. Most of the largest natural satellites are in synchronous rotation, with one face permanently turned toward their parent.

    All planets of the Solar System lie very close to the ecliptic. The closer they are to the Sun, the faster they travel (inner planets on the left, all planets except Neptune on the right).
    Kepler's laws of planetary motion describe the orbits of objects about the Sun. Following Kepler's laws, each object travels along an ellipse with the Sun at one focus. Objects closer to the Sun (with smaller semi-major axes) travel more quickly because they are more affected by the Sun's gravity. On an elliptical orbit, a body's distance from the Sun varies over the course of its year. A body's closest approach to the Sun is called its perihelion, whereas its most distant point from the Sun is called its aphelion. The orbits of the planets are nearly circular, but many comets, asteroids, and Kuiper belt objects follow highly elliptical orbits. The positions of the bodies in the Solar System can be predicted using numerical models.

    Although the Sun dominates the system by mass, it accounts for only about 2% of the angular momentum. The planets, dominated by Jupiter, account for most of the rest of the angular momentum due to the combination of their mass, orbit, and distance from the Sun, with a possibly significant contribution from comets.

    The Sun, which comprises nearly all the matter in the Solar System, is composed of roughly 98% hydrogen and helium. Jupiter and Saturn, which comprise nearly all the remaining matter, are also primarily composed of hydrogen and helium. A composition gradient exists in the Solar System, created by heat and light pressure from the Sun; those objects closer to the Sun, which are more affected by heat and light pressure, are composed of elements with high melting points. Objects farther from the Sun are composed largely of materials with lower melting points. The boundary in the Solar System beyond which those volatile substances could condense is known as the frost line, and it lies at roughly 5 AU from the Sun.

  • Universe HD THE SOLAR SYSTEM UNIVERSE SECRETS HD Documentary

    49:48

    The Solar System formed 4.6 billion years ago from the gravitational collapse of a giant interstellar molecular cloud. The vast majority of the systems mass is in the Sun, with most of the.

    checkout this other amazing documentary: Follow me on Instagram: This video is for education purposes only, and is legal.

    Universe documentary 2017 - series that features computer-generated imagery and computer graphics of astronomical objects in the universe plus interviews with experts who study in the fields.

  • What Can We Learn From Asteroids? | Cosmic Travelers: Comets And Asteroids | Absolute Science

    47:12

    The 1997 documentary Cosmic Travellers: Comets and Asteroids shows an era of excitement and fear about the possibilities of space. Predating the modern technology propelling us through space exploration today, the scientists studying the travel paths of comets and asteroids give us an insight on their research. From simulations of an asteroid impact on Earth, to sending astronauts to their surface, we’ll learn of the ways we can use comets to study the origins of life, and the catastrophic disasters that could be looming in our future.

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  • The Inner Planets - Secrets Of Inner Solar System

    1:18:26

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