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Why Alien Life Would be our Doom - The Great Filter

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  • Why Alien Life Would be our Doom - The Great Filter

    9:36

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    Finding alien life on a distant planet would be amazing news - or would it? If we are not the only intelligent life in the universe, this probably means our days are numbered and doom is certain.


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    Why Alien Life Would be our Doom - The Great Filter

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  • The Fermi Paradox — Where Are All The Aliens?

    6:21

    The universe is unbelievably big – trillions of stars and even more planets. Soo… there just has to be life out there, right? But where is it? Why don’t we see any aliens? Where are they? And more importantly, what does this tell us about our own fate in this gigantic and scary universe?


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  • What Do Alien Civilizations Look Like? The Kardashev Scale

    11:41

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    The observable universe is a big place that has been around for more than 13 billion years. Up to two trillion galaxies made up of something like 20,000 billion billion stars surround our home galaxy. In the milky way alone scientists assume there are some 40 billion earth like planets in the habitable zone of their stars. When we look at these numbers it is hard to imagine that there is nobody else out there.


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  • TRUE Limits Of Humanity – The Final Border We Will Never Cross

    11:41

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    Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited pocket of the Universe and the finite stuff within it. How much universe is there for us and how far can we go?

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  • Why Is the Universe Silent? The Great Filter

    9:52

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    According to a theory we’ll be looking at today, any intelligent race is bound to face a number of insurmountable obstacles at a certain stage of its development. And the upshot of the development of any civilization is that sooner or later it is to meet its demise, with no traces or evidence of its existence left behind. The hypothesis we’ll be talking about is called the Great Filter. To estimate the plausibility of such prospects, we will have to direct our gaze into the future. And to speculate about issues likely to be lying in wait ahead of us that we are going to encounter while evolving as a species.

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  • Dune and The Fermi Paradox | What is The Great Filter?

    10:18

    I imagine that most of you have heard of the Fermi Paradox. It basically asks the question: Why don’t we see other intelligent life in the universe besides ourselves. In 1961 Frank Drake wrote what is now known as the Drake equation. It attempts to calculate the probability of finding other intelligent life in the universe. The Drake equation is as follows: The number of technologically advanced civilizations in the universe is equivalent to the rate of the formation of stars in the galaxy multiplied by the fraction of stars with planetary systems multiplied by the fraction of planets with environments suitable for life multiplied by the fraction of planets on which life actually appears multiplied by the fraction of living planet which gives birth to intelligent life multiplied by the fraction of civilizations that manage to develop technologies and release detectable evidence of their existence into space multiplied by the length of time said civilizations continue to release signs of their existence into space.

    Essentially, if you apply the Drake equation the result would indicate that the universe should be teeming with observable alien life. But somehow, the universe as we know it appears to be empty. This is the Fermi paradox, if the universe should be full of life, then where is said life? Because of this, the concept of A Great Filter was introduced, the great filter is simply whatever thing that prevents life from entering the stage where it can be detected by other civilizations. This could be because there is some deadly factor about the universe that we do not know or understand which is ultimately lethal to life before it can become a galactic faring civilization, or it could be because advanced civilizations are ultimately self-destructive.


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  • Robin Hanson - the Fermi Paradox & the Great Filter - Are We Likely Doomed?

    1:13:09

    What's the worst that could happen? - 16 years ago Robin Hanson said: “Humanity seems to have a bright future, i.e., a non-trivial chance of expanding to fill the universe with lasting life. But the fact that space near us seems dead now tells us that any given piece of dead matter faces an astronomically low chance of begating such a future. There thus exists a great filter between death and expanding lasting life, and humanity faces the ominous question: how far along this filter are we?” :

    Post on SciFuture:

    Refuge Markets:
    Refuge Resorts:
    Galaxy Calc Shows Aliens:

    - The FERMI Paradox? Where are they all? Sagan said: “The universe is a pretty big place. If it's just us, seems like an awful waste of space.”
    - What do you mean by Great Filter - xRisk - what forms?
    - How is our society currently brittle - what kinds of things are likely to wipe us out?
    - What kinds of technologies/advancements in general would make humanity less brittle/more resilient?
    - how old are the earliest Goldilocks Zones?
    - What kinds of evidence for technologically advanced alien civs should we expect to see at this time? (in our light cone)
    - Recently SETI Institute Dr Seth Shostak bet everyone a cup of coffee that we would detect alien life within the next 25 years… advanced alien life? your thoughts?
    - Dr Seth Shostak also caused a minor stir when he proposed that it is much more likely if and when another intelligence is discovered it would be non-biological… what kinds of evidence for ET life would increase your estimates of human survival in the future?
    - how about an extinct alien civilization on mars?
    - Are we almost past the great filter? How far along this filter are we?

    Alternative Explanations
    - Rare earth hypothesis?
    - STEM theory - John Smart? Transcendence?

    - what does the current view of likely great filters tell us about what we should be doing to avoid these great filters?

    - sci fi stories that deal with the great filter?


    Robin’s talking points on the Great Filter:
    -1. Last step of filter, go very visible.
    0. Selection effects mislead track records.
    1. Early life out there is bad news.
    2. Selection effects make it worse.
    3. AI can’t be it.



    Ticket Markets (what could go wrong in the future?): &



    'Galactic Calc shows Aliens' (where is earth in the distribution of planets out there?):

    Combining standard stories of biologists, astronomers, physicists, and social scientists would lead us to expect a much smaller filter than we observe. Thus one of these stories must be wrong. To find out who is wrong, and to inform our choices, we should study and reconsider all these areas. For example, we should seek evidence of extraterrestrials, such as via signals, fossils, or astronomy. But contrary to common expectations, evidence of extraterrestrials is likely bad (though valuable) news. The easier it was for life to evolve to our stage, the bleaker our future chances probably are. :


    Also see Katja Grace's thesis on 'Anthropic Reasoning in the Great Filter' :
    Interview :




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    2014 07 29 23 08 30

  • Will We Ever Find Alien Life?

    17:37

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    The silence of the galaxy and the resulting Fermi Paradox has perplexed us for nearly 50 years. But our most recent surveys of the Milky Way finally allow us to draw scientific conclusions about the depressingly persistent absence of aliens.

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    When Enrico Fermi uttered the words, “Where is everybody?” he was succinctly summarizing what has become known as the Fermi paradox. In short: in a galaxy of hundreds of billions of stars, each of which having billions of years to spawn life and civilization, isn’t it odd that none have made themselves apparent to us. Enrico Fermi was, supposedly, using this as an argument against the plausibility of interstellar travel. If aliens can travel between the stars, why haven’t they visited? But the paradox is much broader than this. There are several ways that an advanced civilization could give away their presence. Radio transmissions, robotic probes, or star-blotting solar arrays. A series of very recent surveys of our galaxy reveal none of the above, while at the same time proving the abundance of potentially habitable worlds. The Fermi paradox has become only more paradoxical, and these surveys are finally powerful enough to draw some serious conclusions about the rarity of advanced civilizations AND about the chance of us ever becoming one.

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  • Humanity was born way ahead of its time. The reason is grabby aliens.

    12:55

    Considering the hurdles that simple dead matter has to go through before becoming an advanced civilization and that there might be habitable planets lasting trillions of years, humanity looks incredibly early. Very suspiciously so. Robin Hanson, who first came up with the great filter in 1996, offers a compelling explanation: grabby aliens. They are defined as civilizations that 1. expand from their origin planet at a fraction of the speed of light, 2. make significant and visible changes wherever they go, and 3. Last a very long time. Such aliens explain human earliness because they set a deadline for other civilizations to appear. Non-grabby civilizations like ours can only appear early because later, every habitable planet will be taken. This is a selection effect. Plus, grabby civilizations are plausible for many other reasons: life on Earth, and humans, look grabby in many ways. Species, cultures, and organizations tend to expand in new niches and territories when possible, and they tend to modify their environment significantly. In the video, we also delve into the plausibility of space travel. As always, you can support us on:

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    Sources and further readings:

    Robin Hanson's paper on Grabby Aliens - updated since the one shown in the video:

    Grabby Aliens website:

    The Great Filter - Are We Almost Past It?
    Note that the date is 1998, not 1996. According to Wikipedia, 1996 is the date of the first version of the paper.

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  • The Great Filter - A Return to the Fermi Paradox

    3:13

    Here I return to the Fermi Paradox and go a little more in depth to talk about The Great Filter - one of the explanations for the Fermi Paradox which says that along the road to intelligent life, there are barriers that prevent advancement.

    In one instance, we've already passed the Great Filter. In the other, it lies ahead of us.

    Both depressing scenarios in different ways.

  • LIFE BEYOND II: The Museum of Alien Life

    38:00

    Soundtrack: Support me on Patreon:

    What if there was a museum that contained every type of life form in the universe? This experience takes you on a tour through the possible forms alien life might take, from the eerily familiar to the utterly exotic, ranging from the inside of the Earth to the most hostile corners of the universe.

    New research is upending our idea of life and where it could be hiding: not just on Earth-like planets, where beings could mimic what our planet has produced, but in far flung places like the hearts of dead stars and the rings of gas giant planets. Nowhere in the universe is off limits.

    Only when we know what else is out there will we truly know ourselves. This thought experiment will give us a glimpse into what could be out there, how we might find it, and just how far nature’s imagination might stretch.

    Big thanks to Protocol Labs for their continued support of this series:

    Concept, visuals, and score by melodysheep, aka John D. Boswell. Narrated by Will Crowley. Additional visuals by Lynn Huberty, Tim Stupak, NASA, and Evolve. Featuring soundbites from Nick Lane, Jonathan Losos, Caleb Scharf, Shawn Domagal-Goldman, Chris Crowe, Jack Cohen, and Jill Tarter.

    Featuring clips from Lynn Huberty’s amazing film “SHYAMA”:

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    Andrey Gritsuk ( Alex Albinyana, Alexander Tobler, Andrey Shinkov, Millionth Vector, Jazz-Cousins, Nick Govacko, DCA Tabletop, Dimitar Grozev, Maynardd, Bernhard van der Horst, Alexandr Ivlev, 3DRTcom, AssetKit, Tebogo, Igor Puškarić, The French Monkey

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  • Stephen Hawkings Stark Warning for Humans to Leave Earth

    3:06

    In one of his final on-camera appearances, iconic physicist Stephen Hawking issued a warning to humanity about the existential threats we face and how our survival depends on colonizing another planet.

    From the Series: Leaving Earth: Or How to Colonize a Planet

  • Is Reality Real? The Simulation Argument

    8:46

    Watch Part 2 on Vsauce 3:


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  • Is Alien ‘Life’ Weirder Than We Imagine: Who Is Out There?

    59:56

    If we want to discover alien life out there in the universe, we first need to figure out where to look—and what we're even looking for. Will it be biological like us? Could it be artificial, or take some other form we haven't yet considered? And how do we find something so fundamentally different from ourselves? In this program, scientists devise plans for searching for beings beyond Earth while they grapple with the very definition of life.

    PARTICIPANTS: Lisa Kaltenegger, Caleb Scharf, Susan Schneider, Sara Walker

    MODERATOR: Nicole Stott

    MORE INFO ABOUT THE PROGRAM AND PARTICIPANTS:

    This program is part of the BIG IDEAS SERIES, made possible with support from the JOHN TEMPLETON FOUNDATION.

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    TOPICS:
    - Film about the imaginative search for alien life 00:05
    - Introduction to the program by astronaut Nicole Stott 04:45
    - Introduction of participants 05:50
    - What is the definition of life? 07:09
    - How will we find signs of life elsewhere in the universe? 16:21
    - What are the parameters for looking for life on other planets? 19:36
    - What should the probes on Mars be looking for to find life? 24:58
    - The Fermi Paradox, where is everybody? 30:56
    - Have aliens avoided humans because we're too boring? 34:41
    - Can we use information theory to look for life in the universe? 39:13
    - Why is looking for alien life important to humankind? 44:13
    - Will life in the future be AI, should we be looking for other AI in space? 46:02
    - The Great Filter 48:52
    - Is artificial intelligence alive? 50:28
    - Is evolution the strongest force in the universe, how will it shape the future? 52:13
    - What lessons could humankind learn from the successes and failures of other alien species in the universe? 56:58
    - Why should we care about finding life elsewhere in the universe? 57:58


    PROGRAM CREDITS:

    - Produced by John Plummer
    - Associate Produced by Laura Dattaro
    - Opening film written / produced by John Plummer, animation by Derek Breur
    - Music provided by APM
    - Additional images and footage provided by: Getty Images, Shutterstock, Videoblocks

    This program was recorded live at the 2018 World Science Festival and has been edited and condensed for YouTube.

  • Intelligent Life on Other Planets: What are the Odds?

    53:23

    Title: Intelligent Life on Other Planets: What are the Odds?
    Speaker: Corbin Covault, PhD
    Date: October 29, 2019

  • Grabby aliens: when well meet them, how big they are, and other predictions

    20:01

    In the previous video, we talked about why humanity seems to have appeared very early in the universe: among the first civilizations that could ever appear. Earliness constitutes a riddle. It makes humanity’s situation seem rather mysterious. Robin Hanson, who introduced the idea of the great filter, solves this riddle by postulating that civilizations that he calls “grabby” will soon fill the universe. As anticipated, grabby aliens are the main assumption of a detailed model describing how such aliens expand and distribute in the universe. The model makes many interesting predictions, such as when we’ll meet grabby aliens, our chances of hearing alien messages, and becoming an interplanetary civilization ourselves. It also answers why we don’t see aliens yet, considering the universe’s large number of stars and galaxies. These predictions are the topic of this video.

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    Grabby Aliens website:

    The Great Filter - Are We Almost Past It?

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    5:03 - Estimating n
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    15:02 - SETI and our chance of becoming grabby
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  • Why Havent We Found Alien Life?

    12:11

    Seems like Aliens SHOULD Be Out There!

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    Help translate our videos!

    With millions of Earth like planets around sun like stars in our galaxy alone, why don't we see intelligent alien life? Or any other life for that matter? It gets especially weird when you factor in new scientific revelations that life on Earth occurred crazy fast! So if you want to help us theorize on the real reasons we haven't found alien life, you should watch today's episode of Space Time!

    Is It Irrational to Believe in Aliens


    5 Real Possibilities for Interstellar Travel


    Comments:
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    Ray Vertti


    Eric Vilas


    solution 99x


    SirNate



    References:
    _______________________
    On The History and Future of Cosmic Planet Formation
    Behroozi & Peeples 2015,


    Potentially biogenic carbon preserved in a 4.1 billion-year-old zircon
    Bell et al. 2015

  • How To Terraform Venus

    12:48

    The first 1,000 people to use this link will get a 1 month free trial of Skillshare:


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    Leaving earth to find new homes in space is an old dream of humanity and will sooner or later be necessary for our survival. The planet that gets the most attention is Mars, a small, toxic and energy poor planet that just about seems good enough for a colony of depressed humans huddled in underground cities.

    But what if we think bigger? What if we take Venus, one of the most hostile and deadly places in the solar system and turn it into a colony? Not by building lofty cloud cities, but by creating a proper second earth? It might be easier than you think.

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  • Is It Too Late To Stop Climate Change? Well, its Complicated.

    10:07

    A special thanks to the team at Our World for helping us out with data and research!


    Sources & further reading:


    This video is part of a series about climate change supported by Breakthrough Energy – a coalition founded by Bill Gates, that is working to expand clean-energy investment and support the innovations that will lead the world to net-zero carbon emissions.



    Climate Change is just too much. There is never any good news. Only graphs that get more and more red and angry. Almost every year breaks some horrible record, from the harshest heat waves to the most rapid Glacier melt. It’s endless and relentless.

    We have known for decades that rapid Climate Change is being caused by the release of Greenhouse Gases. But instead of reducing them, in 2019 the world was emitting 50% more CO2 than in the year 2000. And emissions are still rising. Why is that? Why is it so hard to just stop emitting these gases?

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  • Three Ways to Destroy the Universe

    6:17

    How will the Universe die?

    Everybody dies. The universe too? Well, probably. What are the current theories about the end of everything? And how creepy exactly are these theories? (Spoiler: very creepy). But there might be hope...

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  • End of Space – Creating a Prison for Humanity

    8:39

    To support Kurzgesagt and learn more about Brilliant, go to and sign up for free. The first 688 people that go to that link will get 20% off the annual Premium subscription.

    Space travel is the most exciting adventure for humanity, but in an irony of history we may stop ourselves from going into space the more we do it. With every rocket launched we are creating a deadly trap for mankind.

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  • Top 10 Upcoming Missions to Find Alien Life

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  • 40 Years Ago, NASA Sent A Message To Aliens — Heres What It Says

    2:55

    In September 1977, NASA launched Voyager I from Cape Canaveral, Florida. The craft carried a golden record that contained a message to aliens from the people of Earth. Here's what it said.

    You can now own your own version of the golden record by contributing to a Kickstarter campaign by Ozma Records.

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  • Why Extraterrestrial Life Might Not Be So Alien

    4:26

    On the website for the department of zoology of the University of Cambridge, the page for Arik Kershenbaum lists his three main areas of research, one of which stands out from the others. Kershenbaum studies “Wolves and other canids,” “Dolphins and cetaceans” — and “Aliens.” Granted, science hasn’t yet found any aliens to study, but Kershenbaum says that there are certain things we can still say about them with reasonable certainty. Topping the list: They evolved. Read the full article at Quanta Magazine:

  • The Fermi Paradox - 10 Mind-Blowing Explanations

    7:40

    A lot of this came from - where else - an awesome article on Wait But Why.



    Here I take a question by Mark Lott, asking why, with all the billions of stars out there, we haven't been able to detect a single intelligent civilization out there. This is the Fermi Paradox.



    The universe is impossibly big. Even our own galactic backyard has 10,000 stars for every grain of sand on Earth. Shouldn't it be teeming with intelligent life? If this sounds bizarre, the reasons science has come up with to explain this are freaking bananas.

    Pass this around! Blow some minds!

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  • What If We All Lived on Mars?

    4:29

    People on Earth talk a lot about colonizing Mars. But What If it had already happened and the first humans had already settled down on the Red Planet?

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  • Optimistic Nihilism

    6:10

    The philosophy of Kurzgesagt.


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  • The Aliens Are Coming! with Ben Miller and Jim Al-Khalili

    46:41

    Writer Ben Miller leads Jim Al-Khalili through our search for alien life in the Universe.
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    For millennia, we have looked up at the stars and wondered whether we are alone in the Universe. In the last few years, scientists have made huge strides towards answering that question. Comedian and bestselling science writer Ben Miller is in conversation with Jim Al-Khalili, taking us on a fantastic voyage of discovery, from the beginnings of life on earth to the very latest search for alien intelligence.

    Ben Miller is a science writer and comedian. After studying physics at Cambridge and beginning a PhD, he left to pursue a career in comedy. He is now half of one of Britain's most popular TV comedy duo, Armstrong & Miller, and a successful actor, but has always maintained a passionate interest in science. He maintains this interest through science writing.

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  • Its Time for a Georgia Holiday Getaway

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    There’s no place like Blue Ridge for the holidays. Or Atlanta, or Jekyll Island...
    or any of Georgia’s festive destinations. Because here, it’s about only-in-
    Georgia moments, ready to become cherished memories. When you set out
    on an adventure and end up with a new tradition. It’s all the ways to
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  • ET is out there -- get ready - Seth Shostak

    18:41

    SETI researcher Seth Shostak bets that we will find extraterrestrial life in the next twenty-four years, or he'll buy you a cup of coffee. At TEDxSanJoseCA, he explains why new technologies and the laws of probability make the breakthrough so likely -- and forecasts how the discovery of civilizations far more advanced than ours might affect us here on Earth. (Filmed at TEDxSanJoseCA.)

    Talk by Seth Shostak.

  • The Day the Dinosaurs Died – Minute by Minute

    12:02

    DISCOVER ANCIENT WORLDS
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    66 million years ago, maybe on a Tuesday afternoon, life was the same as it had been the day before or a thousand years before or pretty much a million years before. Things were good for our feathered dinosaur buddies. Until a tiny, tiny detail in the sky changed.

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  • What If Earth got Kicked Out of the Solar System? Rogue Earth

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    The night sky seems peaceful and orderly. But in reality, stars are careening through the galaxy at speeds of hundreds of thousands of kilometres per hour. Not bound by static formations but changing neighbourhoods constantly. Fortunately space is big, and so the stars of the Milky Way are very unlikely to hit us. Unfortunately, they don’t have to hit anything to make us have a really bad time on earth. And there are already stars starting to get very close.

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  • Why Alien Life Would be our Doom - The Great Filter CG Reaction

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  • Why Alien Life Would be our Doom The Great Filter

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  • Why Alien Life Would be our Doom

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  • WHY ALIEN LIFE WOULD BE OUR DOOM REACTION

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  • The Great Filter - Why We Havent Found Other Life

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    In this fictional video, we follow the story of one of the first sequences of life in the universe. As it evolves, it finds itself becoming more and more powerful, but soon to be faced with the downfalls of its own success. This video is inspired in part by The Dark Forrest Theory proposed by Cixin Liu.

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  • Why Alien Life Would be our Doom - The Great Filter

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  • Why Alien Life Would be our Doom - The Great Filter- Kurzgesagt – In a Nutshell

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  • Blind Guy Reacts - Why Alien Life Would Be Our Doom - The Great Filter - Kurzgesagt Reaction

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  • The Great Filter | Aashrut Agarwal | TEDxYouth@DubaiCollege

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  • Doom Of Aliens

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