The Fermi Paradox - Are We Really Alone? [OOTW]
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- čas přidán 18. 12. 2018
- Life on planet Earth is abundant, resilient and pervasive. Billions of species exist on this planet, and it seems that life may well reside on other planets such as Ceres, Mars and Saturn's moon of Titan. The question is, with so many hotspots for life, and so much potential across a galaxy with 400,000,000,000 stars, surely we should be seeing evidence of other civilisations either past or present? Well, it's this eerie contradiction between what we expect to see and what we actually see that is called the Fermi Paradox. But what causes it? Is there a great filter preventing all life from advancing? Are we just very early? What is going on? Well, it seems we will never know for sure unless we find life elsewhere- but until that time, we remain in the dark.
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My favorite theory was that Intelligent Civilizations simply rise and fall at different times in the universe's existence and at different points of space far from eachother. Forever stranding each civilization in there on their own in the Universe...
That makes perfect sense to me. 👍
But if they did, we should be able to see their traces, intelligent life will leave far too many signs and signals which can be traced back if some advanced species had fallen before us.
@@GenUrobutcher there are a multitude of such things. Many discoveries on the pyramids
@@GenUrobutcher not in the slightest, we cant even see planets next solar system over unless it passes directly in front of their sun, most galaxies are too far away for us to gather information on their stars much less any civilization. I mean look at earth from space (on the dayside) and try to find evidence of civilization, itll take a minute bc even with all weve built the earth is still so massive it dwarfs our structures. Simply put, theres a lot of space in space.
@@marcofransowitz4773 what about radio emissions? Signals emitted in the invisible spectrum, have distinctive features and patterns which are distinguishable from natural phenomena.
hey, seasauce, sam here
Sea1997 in a nutshell
hahhahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahaha
its quare omg
@@Fenrishidishi lol i watch them
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*SPACE IS COOL AND TERRIFYING AT THE SAME TIME*
“Space is unimaginably big. You can’t even begin to think about how very large it is”
Or something like that
Not much as my mommy
What's more terrifying knowing that we are alone in the universe,
Or....knowing that perhaps were not alone?
Digital Dash what’s more terrifying than space is the truth about our reality. What if our reality is that we are living in a simulation without free will and we are just programs to believe we have free will and consciousness?
@@Tony_100x It didn't program everyone to believe in free will
I read an article recently that claimed that only 8% of all the planets that will ever exist have yet to form.
Maybe we just came to the party early.
Interesting thought. Maybe we are the first.
uhg if those other motherfuckers are doing the fashionably late thing I say send 'em the flu.
That makes the most sense 🤷🏾♀️
Sounds speculative
How can they know that
The scariest thought for me is, what if it's impossible for any civilization to develop efficient interstellar travel before depleting their planet's resources? What if every civilization's eventual fate is to die slowly, alone on a dead planet, seemingly only a few decades away from FTL travel? It would be depressing.
This actually seems the most likely scenario to me. And that is because the energy and material requirements for mass interstellar travel probably would deplete an entire planet's resources independently of anything else.
This is what I believe to be the answer, honestly. Not even that FTL travel is out of reach - that it's genuinely impossible.
Finally someone who makes sense. Getting really tired of the scientists who claim "life needs water like us, earth size like us, distance to sun like us, pizza like us, pampers like us..." ... No. That's what *we* need to live, that is NOT what any other potential life needs. We developed in this, therefore we need it, others may or may not develop into another environment.
@ Falux BKk... I tend to agree... even here on earth we've discovered what are termed "extremeophiles"... life has a way of expressing itself in innumerous forms, with that in mind the galaxy could be teeming with life.
Just last week one of my bible thumping friends said to me that it's obvious that the universe was perfectly designed for us... when I was done face palming myself I looked up and said... you remind me of the mud puddle that said "look how this hole was perfectly designed just for me"... needless to say he didn't get it and I had no desire to explain it to him.
@Falux BKk Define life.
Scients don't claim that, they search for life on planets with conditions simmilar to ours because they know for sure there is a chance of life developing under those conditions.
@@carlpen850 if you think about it it's kinda true though, there seems to be some kind of intelligence behind the scenes. Did our noses spawn randomly with the nostrils down so water doesn't get into it? Maybe just natural selection but I've never heard of anything with an upside down nose 😂🙃
Carl Pen Liquid water is so important in the formation of life due to the hydrophobic and hydrophilic properties of membranes of our cells. While, sure, another lifeform could consist of different substances with similar properties, but this phobic/philic property is vital for life.
7:45 A German Shepherd dog saying: "hooooOoo"
Again, a very interesting video and it definitely feeds my need for theoretical astrophysics and other sciences, although this is utter realization of what could be is frightening.
first video i watched was the alien megastructure around the tabby star, now this.. fantastic content, logic, that actually makes sense and without pushing random opinions .. well done.. you got a new sub
What if intelligent life always caps off in pursuit of virtual reality instead of exploring space? If made tempting enough, a simulated world of fantasy could easily sidetrack our most diligent astronomical researchers. Once achieved, an ever-expanding core of silence will define the inside of our radio buble, and the next intelligent race to arise could miss our broadcasts entirely, wondering why space seems so lonely before it too discovers the same joys of VR like ourselves.
Octeract [SG] but reality has shown time and again that it is far more wierd than we Can imagen and therefore i think there Will allways be people exploring reality
I think you're right, the majority of people just sit around at home and plug in as much as they technologically can.. Luckily, a few visionaries should be enough to plough through and keep exploring in [what we assume to be] the real universe.
You have to wonder what the point is, however. Why do work when you can just plug in and experience utopia? There will be those that persist with the trials and exploration of reality, but they will lack the numbers they need to adequately utilize their world's resources, and their offspring are likely to reject their way of thinking, slowly dropping the numbers of the abstained to zero as they either die or attempt to escape death and its uncomfortable precursors using virtual reality.
A successful revolution against VR is possible, but how long will it last until the issue is broached again? They might do some colonization of their planetary system, send propes with AI to self-replicate using foreign worlds' resources, and maybe even create a Dyson structure, but the temptation is virus that will eventually catch up with them, both figuratively and possibly even literally. A race that overcomes this challenge is truly exceptional, and our chances of contacting them, for a multitude of reasons, is far more slim than one such race even existing.
Food for thought
That makes more sense. And also it took this universe 5 billion years to produce our sorry asses...so it's not entirely likely that there's anything more intelligent than us out there.. Plus if you were an advanced society. you'd probably just colonize your own solar system and not have to build any Mega structures visible from other solar systems. You'd have all the technology you need to make life suitable for your entire planet just within your own little sphere of influence.
Mediocrity has been the norm for all of human history. Whether that mediocrity is served by VR or not probably doesn't affect the likelihood of those intrepid explorers among us to still move things forward. Then again, you may be correct. You definitely propose a solution that at least requires some thought on the subject. A lack of which highlights the commonness of mediocrity I pointed out already.
"a disease to get us near extinction"
Welp!
Don’t worry, this one won’t drive mankind to extinction. That would defeat the purpose. This was just a warmup. A sort of tutorial if you will, done on easy mode. After all, we wouldn’t want the odds to be unfair, now would we?
What virus, if I can't see it with my naked caveman eyeball how can it be real?
wow a virus that partly stopped global trade and killed some millions whom mostly live in 3rd world, such near extinction!
Your videos always get my brain-butter churning!! So pumped to... DISCOVER! ahaha.
this is terrific content I am shocked you don't have a lot more subscribers and viewers of these videos absolutely amazing
he does now:)
This is an incredibly interesting video SEA
"We don't know!"
The best truest statement ever made.
Thankyou!
This is really a great channel, glad I found it. Keep doing these interesting shows.
Kurtzgesagt 2.0 you did an amazing job Sam! Keep up these videos
@Katie Giles, Why?
@Kate gee Both are great in their own ways, they have different styles. But both are existential crisis inducing all the same. God I love all these science channels
Man idk why but i love these kind of videos
One of the first great filters, I guess, is the event of Abiogenesis (life out of previously lifeless materials). It took life roughly 400 million years to emerge on earth after the planet's formation. So all the ingredients for life were there and intermixed for 400 million years without Abiogenesis to occur... a lot of time for nothing to happen. The occurance of Abiogenesis seems to be extremely unlikely, given the ample opportunity it had during that time to happen at all. I find it kind of odd, that some people refer to such a huge timespan as "almost instantaneous" - 400 million years is not a timespan that I would associate with terms like 'quick', 'fast' or 'instant'.
So, even finding primitive life in other systems in the Galaxy is a challenge... people assume life emerges whereever and whenever it can - and they might be right (I am certainly not trying to prove them wrong), but again: It could have happened on Earth at any moment during those 400 million years, but it didn't. Even if the circumstances are good, it might still not happen for a long time. But, sure, one example might not be the prime example - but it is likely to be the average.
Furthermore: About 3 billion (!) years, nothing much happend either. Multicellular life emerged suddenly (nobody knows why it happened at all and why it was so late in the game) about 450 million years ago and kickstarted the evolutionary process, that we are one of the results of. And then, it took this evolution 450 million years to cough up a lifeform, that is capable of spaceflight (mankind).
So, in summary: A lot has to happen before Abiogenesis occurs (the specific circumstances are still largely unknown), a lot has to happen before multicellular life emerges; and then a lot more has to happen, before intelligence might emerge - and this intelligence might not create high technology for 199.9 thousand of its 200 thousand years of its development out of an evolutionary predecessor (like it happened with humanity, which was largely a hunter & gatherer society for 185 thousand years). Only in the last 70 years were we capable to create a 'high' technology, that principally enables us to do spaceflight.
These are all very unlikely circumenstances and seemingly random parameters... so I think you are right: 400 billion stars (or even 4 trillion or more) are probably not enough for another one of these unlikely chances to happen. I don't believe we are alone in the universe, but I believe those civilizations are far in between.
You deserve more thumbs up
Agreed, we really are unique
I think some of the logic of your argument might not be quite right. Firstly to assume that the 1 example of life that we know must be 'the average' is incorrect. This is like interviewing a random person and stating that there views must be an average of the entire human race. Secondly, it is very unlikely that life had the perfect circumstances to form in the first 400 million years of the Earths existence, when the earth would still have been extremely hot, and would therefore unlikely have had much in the way of liquid water on its surface, and was being bombarded my meteorites on a regular basis.
Its only once the Earth started to cool, which allowed water to remain on the surface without being instantly evaporated, that life would have had its first chance to start forming, and that may have happened very quickly. Infact some recent studies have shown that life may have started while the Earth was still hotter than we originally thought possible for life to start forming.
This is a Badass channel!! I love this channel and you are the best narrator period.
The sheer size of the universe alone is enough for me to believe there is life out there, and we just can't detect it... yet. We might possibly never do as well. The universe is so unimaginably massive, you could go blindfolded randomly in any direction from end to end millions of times, and the odds of colliding with or encountering any celestial object is near 0%.
I think it would be incredibly naive and arrogant of us as a species to believe we are the only intelligent life in all the universe.
Although I love that the flip side to "theres no other life, we're the most special things in the universe" tends to be "alien life exists, and theyre all coming here, because we're the most special things in the universe"
You're an idiot. No one can say either way. STFU
But we are
@@Cereza-chan prove we’re not or prove we are
I believe there is a intelligent life that is far smarter than human. The being that we used to call as God.
When we look out the stars, we are looking backwards in time. Therefore, the further out we look, the worse our chances get.
Does it matter? I will always be lonely :(
You okay there buddy?
You will if you keep thinking like that!... No one wants to be around someone who thinks with negativity.
Forever alone
>tfw you will never have qt alien gf
why live
Lol gtfo
We are potentially a rare and fragile phenomenon yet enslaved by "world owners". Made to be sick, programmed, addicted, hard laborers.
What a strange life this is full of suffering.
And Joy and Love as well, life is a banquet and most poor SOBs are starving to death.
This video is broken... I can keep liking it over and over... and I am.
Good job, SEA! I like this type of stuff!
This is a truly fascinating subject and you did a great job one this video.
For such a small planet, it sure is home to so much conflict
-Captain Ed Mercer
USS ORVILLE
It occurs to me that more than one of these proposed solutions to the Fermi Paradox could be true.
Well done this time, SEA!
Great video! Very very informative! Thanks
"Space. The final frontier."
Unknown, Star Trek
#roadto200k
Unknown? Bruh, William Shatner narrated that intro
Protostar i am unaware as to why I read that as shrek trek
Ah try Gene Rodenberry.
A legend
Very under-rated channel. Great sutff!!
It's no surprise that we're stumped on this subject. Seriously I think we're reach too far too fast, without learning fully about what we've already have available to us. Seriously ok only 5% of our Oceans have been explored, we've only explored roughly 5% of our own Moon's surface. We've only started to develop a possible way of getting humans to Mars in our lifetime. Oh but now Europa looks cool, let's consider going there instead. Or rather then study the possibility of life in our own solar system, let's just go for interstellar space. Geez we need to slow down considerably here, there's still a wealth of knowledge and answers to many our questions in our literal backyard.
great video. I love the way you explain things.
I'm wondering something about the radio bubble. If an alien civilization were to receive a video signal from one of our broadcasts (and assuming minimal loss of data in the signal), would they actually be able to see the video on a screen or is the signal encoded in such a way that the aliens would have no idea of how to decipher it, aside from it appearing as some kind of artificial signal?
As usuall your video never disappoints
'maybe something kills off life before it develops the ability to travel in space'
Coronavirus: hold my beer
Indeed, it is possible that it could be the first layer of the Great Filter for mankind. I suppose only time will tell.
@@stochasticpixel haha I was only joking. The true great filter is probably a long way off yet. Unless we're already past it.
@@Jman21UK Just like water filters or Co2 filters, they eventually become saturated and are unable to filter as much and begin to let more and more get past it. If that same principle can be applied here.
@@Jman21UK i think asteroids are the great filters. We get shielded by jupiter but other planets might not have a massive gas giant to protect them and they will experience extinction events way more than us
2:16 Reapers!
I've never played Mass Effect but I get it lol
Its fine, we fixed it with the green option.
omg why didnt i watch this before amazing episode truly fascinating
This covered so much ground
Thank you so much
I absolutely love your channel 😍
Maybe they've seen us in action as a species and are deliberately ignoring us
Human ancestors didn't sacrifice their climbing abilities for tool usage, we sacrificed climbing because our home environment as well as the environments we migrated into had less trees than before. In fact our ancestors still lived a somewhat arboreal life while developing tools.
Love the videos though. I loved your video about the cosmic horizon. It was very thought provoking
This is amazing, so well written.
Great videos man
Love these kinds of videos.
Great work!
All this video is mind blowing just to imagine the universe goes on forever forever ...
Really loved thus video. Most times I have heard about the great filter up till this point the answer has been so bleak but I love the idea that we just have no idea.
Loved the mass effect pic btw 😁
You really should look at how far away we could detect the common radio signals we produce. It's not as far as we would like. We would be easier to detect by our artificial light or changes in the atmosphere.
This was my question. Our “radio bubble” would be about 130 light years in radius based on Marconi’s first broadcasts, and those first transmissions would be really weak.
We can get data from Voyager 1&2 and New Horizon using 23 and 15 Watt transmitters respectively. While we have tremendously more powerful here on earth, those probes haven’t gone ANYWHERE, galactically speaking. They are literally still inside the same pixel used to draw the sun on a 4K monitor.
So, assume a civilization like us was broadcasting at 100 megawatts from Alpha Centauri: what would the signal look like to us? Now move it to the closest “Goldilocks Planet and recompile. Would we even notice? And I don’t think our radio bubble has reached an earth like world in the Goldilocks zone yet.
It's really good one ! My thought about the universe has boundary due to it keeps on expanding otherwise the universe is impossible to expand. It's expanding because there is space/room beyond the universe's "boundary" for its expansion although human being is impossible at least at the moment or never able to detect the boundary of the universe because its expansion is faster than the light speed.
Great video. Covid-19 towards the end of the video is all I could think About.
Your voice is so relaxing
Only 2.2k views at this point? Wow this is underrated
- RllyGudGuy - 130k
@@jeremywendelin 360k
@@deivydasbaksa3324 370k
Finally, someone who has rational thoughts on this. Cheers!
Maybe aliens that are capable of being that advanced use methods of data transfer that we can’t even detect if we wanted to. Think of the analogy, if you play a recorded message to some ants, they won’t even know you’re doing it. We may be the ants in this universe, blissfully unaware.
Excellent video.
On the other hand. We might be extremely lucky to have such good distribution of heavy elements. Imagine some planet with good distribution of iron, but heavier elements are
Great video. Thanks.
If anyone has ever been to Dewsbury (England), it is immediately apparent that it is the worst place to live in the observable universe.
You do a great show
The thing I love about this is how possible all of these solutions are but how highly implausible they are
For example: a virus wouldn't extinct human life because we are their host. Its possible but unlikely.
I was late for this :(
One thing we must consider when explaining why we haven't detected other intelligent civilizations, is that signals we can detect need to coincide with when it was broadcasted by them and if we existed and were advanced enough to detect that signal. For all we know a thousand civilizations's signals passed earth millions or billions of years ago and their civilization has been long gone.
Exactly this ^^^
Any signal we might detect could be the ghosts of long dead civilisations, or the last radio signal might have washed over us the day before we switched our radio telescope on.
The Dark Forest theory makes a compelling argument about having to stay hidden, or risk getting preemptively striked by a more advanced civilization :)
Thanks for the info :)
As with all things in the universe, it boils down to distance and time
God I fucking love this series keep it up SEA!!!!!!
Is your profile the worker of secrets because I have beaten all in InfinityBlade games (and I hope the 4th comes out soon)
So many theories..
It really makes you think
Your voice is nice. *Subscribed*
Nothing in Nature exist alone. NOTHING.
Nice video. Would love to see you do something on our reality being a simulation.
When we talk about finding intelligent life it helps to remember that we made it to the moon only fifty years ago. Going by the length of the existence of fully human beings that fifty years is very short. There could be thousands, millions, or even billions of planets with beings with fully developed intellects that are no more advanced than Elizabethan England.
12:39-12:55. SEA absolutely loves those parts even using it twice in this video. I don’t know what is and what it’s trying to say but I’d love to know if it’s gifed...
Universe,
please let us go
much faster than light.
The Kardeshev scale isn't about occupying. It's about the ability to harness the energy equivalent
Even if we could harness the power needed to travel to distant planets and solar systems there are simply to many things to account for that makes space exploration impossible
Everytime a civilation reach high levels of tecnology, the flying spaghetti monster comes from the skies to wipe humans from earth. Facts.
hey whats up everyone happy man snacks back with another review
This video was three days ago and it just popped in my tl , wow youtube
I can't wait to get another data set... but I predict that the underground life we find on Mars, or sub-surface life on Enceladus or Europa, will be related to Earth life, meaning it was seeding via Panspermia on asteroids, just pushing the question "where did life originate" even further. But I'd love to be wrong!
12:07 im just going to leave that there
Beat me to it.
I read that the wow was most likely a supernova event
I believe other species know about us and have seen how we are and just dont bother with us.
That day will be two weeks past next Tuesday!
Maybe for your next out of this world you could do it on voyager 1 and 2 since voyager 2 became the second man made object to hit interstellar space not too long ago
The problem with the Fermi Paradox is that it assumes that Abiogenesis is not just possible but probable.
I have studied Abiogenesis extensively and I can say without excessive Bias that said theory is astronomically unlikely not for a single variable but rather for thousands of variables that make it not only unlikely to the point of being impossible but that even if such a sequence of events took place that the resulting organic is unsustqinable not, not because of a lack of energy but because of the very nature of entropy.
Forming a complex organic macro molecule from natural elements and forces is absurd but believing that such a molecule could not only replicate and proliferate but also become increasing more complex when the only mechanism that could be viable for such leaps in complexity, mutations, is also a force of genetic entropy us even more absurd.
Entropy prevents complex systems from forming through natural processes at least concerning cohesive organic molecules yet people go on believing it regardless of modern data concerning such events.
For instance there is an overwhelming plethora of information recorded concerning mutations which show that the beyond vast majority of mutations are entropic to a genome and that mutations that add complexity and longevity to nucleotide quantity or nucleotide composition are so rare that they may as well not exist assuming that they even have happened.
People ignore this glaring truth while also ignoring the inherent and ever accelerating degradation of every species genome we know of because of the force of entropy which we call mutations.
The point is, is that complex life is not generated via natural processes nor can it be sustained indefinitely by said processes, based on statistic and mathematical evaluation concerning the rate of mutation especially mutations that are inherent in a species, the longevity of a species is of a much smaller timeline compared to the timeline that is currently postulated.
Your videos are extremely good and informative, but please add some kind of bgm to them, ur voice is smooth and it makes me sleepy every time I watch your videos.
Out of all the species to ever exist on Earth ever, only ours is has complex, intelligent thoughts. Something, or a multitude of things, has filtered out all the rest. Seems as if we'll never stop encountering Great Filters in our quest to colonize and understand the universe.
12:21 those bars 🔥
The ultimate filter? Reapers.
why does it say premiered 19mins ago instead of uploaded?
LOT Mobile Gaming Because Sam used a feature called a premiere, like a livestream, but the video was made before it, and streamed with live chat at a scheduled date.
equivalent to being in the sea and saying fish dont exist because you cant see them 1inch around you
I think the problem lies in "jetting off to the stars", it may not be as trivial as some may think that just assume technology will achieve anything given enough time.
They say when we look thru a telescope it’s like looking back in time. Let’s imagine we identified thru our telescope a planet that had intelligent life on it. We could see their satellites and even short range space ships flying back and forth. However, because the planet is say. 100 million light years away, we are looking at life from 100 million years ago. Even if we had a spaceship with light speed, it’ll take 100 million years to reach that planet and find a barren wasteland. And the same applies to us, if someone else is looking thru their telescope and identify us as intelligent life. This paradox concluded that the galaxy, let alone the universe is simply too vast and takes too much time to even see, let alone travel towards.