Or we could use an interstellar warp drive to break the speed of light and get there faster, but anything behind said warp drive would be obliterated.
The last explanation definitely makes the most sense. Even today, our presence on Earth would be barely perceptible from outside our solar system. Maybe we just have to wait another 100 or so years for our signals to reach past that 200 light year estimate.
Why leave angry ignorant comments. Carl Sagan is a vastly inteligent man. However,, I cannot help but notice comments on here on par with the U.S education system. Where do you dimwitted ignorant commenteer's come from.
Aliens need their heads smashed in,throats slashed,hacked to bits and then sent back to hell!!!! make my fucking blood boil these vermin do!!!! pieces of shit don't belong in gods beautiful universe! we should slaughter these rats they make god angry!
@NobDickBalls Getting ready to gear up for an interstellar crusade against a species likely more technologically advanced, are you? Good luck with that then. I think I'd rather shake their hand and learn how to use their tech for the advancement of mankind.
@omegavalerius Honestly, I don't think that way and when I am talking to people I know IRL about speculating these kind of things I bring up the same thing you just said. To me, in this context hand=manipulating appendage. I'd still shake it, so long as it wasn't a sexual/offensive thing to them XD lol
Also it tends to be simpler for people like Mr. Xenophobe up their to comprehend :P
@MrTear3 Fuck off you daft toad! "more technologically advanced" for shitsake are you serious! they'll be as thick as pig shit! they don't deserve to live in the same galaxy as gods children! they will fucking brainwash us all!!!!!!!! FUCK OFF ABOUT SHAKING THEIR VERMIN HANDS!!!! slash their vile throats and send them to hell! they need to be destroyed!!!!!!!
@NobDickBalls Alright, I'm going to calmly respond and explain how wrong you are. If an advanced species makes it here and attempts to make peaceful contact, they ARE more technologically advanced. We haven't even sent a human to Mars. You see where this is going? You sir, are an idiot. And that will never change.
As awesome as contacting an alien civilization may sound like, I think sadly we would only pay attention to that contact for a few days and then carry on with what we were doing.
@Apjooz Not necessarily if their message said "Yo! Peoples of the Earth! Behave or we'll come over and beat the living shit outta y'all! Just sayin'."
Sagan and other astronomers completely exaggerate the possibility of alien civilizations. The conditions required are extremely precise, and Earth could very well be the only planet in the galaxy which has them-- despite the fantasies of sci-fi writers.
@SovereignStatesman I think you are completely exaggerating how unique we are in the cosmos, if the billions of galaxies all have billions of stars, and lets just say 50% of those have 1 or more planets, you do the math on the probability of even 1 of those planets having conditions that are right for a life form to exist. Dont forget that a bacteria is still a life form and they can survive in extremely harsh conditions.
Sagan was wonderful. We need more like him - people with vision and a message of hope for the future. We have far too much bad news every day - no wonder so many people are unhappy....
Sagan was a doomsayer, always claiming that a nuclear war could destroy all human civilization, and preaching pacifism as the answer... apparently he was asleep during the Cold War, and how it murdered 150 million people worldwide. In his book, that was no reason to keep our nukes to prevent the same thing from happening to the rest of us.
I think Sagan had a point of view as do you. I think that nuclear weapons helped keep the peace and we need a few but NOT 1000's of them.
I think the point Sagan was making was that we stand on a cross roads - we can now kill almost all life on Earth - it would recover over time - but perhaps without us, other more advanced life forms must have reached this point as well (before us) perhaps they made a mistake and that's the reason that we have not been contacted?
Fuck off Obi-wan; Sagan's lived in a fucking IVORY TOWER with his head in the sky, but still had the audacity and arrogance to preach simplistic solutions to complex problems-- like ALL the stuck-up Ivy-Leaguers who cozy up to government for more handouts, while it CAUSES those problems.
"we can now kill almost all life on Earth"
Yeah right, blaming the victims of communism as the aggressors. You're just another suck-up douche.
Yes, that's becaue you ARE you, and you're an arrogant little shit.. And if I were you, I'd cut my goddamned THROAT because there's NO cure for stupidity.
This means they wouldn't need to use the human race as a workforce. I think if they were visiting us, it would simply be to observe our behavior, much like how we learn a great deal more about our world by observing animals in their natural habitat.
@Linkage1992 Agreed. I don't see the point in visiting Earth if they're advanced to even get here. Finding new life is cool and all, but I think if another race is looking around through the universe we're but animals to them. They might enslave us, ask us to join them, I don't know. They might learn from us, like we learn from out own animals as you said. But we're a bad example of civilization because it's all about power for lots of people.
I believe that Hawking is mistaken with his approach to dealing with alien encounters. What would they want with us anyway? By just being able to reach us, we know they would be able to travel vast distances quickly, meaning that they would be able to get their resources from a multitude of other planets at will without having to displace us. Also, they would have the ability to create their ships and devices by means of advanced automation.
The only problem with radio communications, is that we are assuming that these (Alien) life forms are also using radio technologies...Maybe they are using something else? Something that we may not be using yet? ..just a thought.. Maybe they don't need a spoken form of communication, maybe they use telephathy?
@DJSpiderwebz because people think that since it's a video about somebody who's smart they have to write novels and have intellectual debates, DIDN'T YA KNOW?! gosh.O
All the extra-terrestrial civilizations that exist out there (and they are numerous) are SO FAR away that any transmissions sent would need to be beyond giga-watts in power for us to have even a remote chance to detect them. They would have to send out a radio signal equivalent to a thermo-nuclear explosion in power "per pulse" in order for us to even have a REMOTE chance of detecting it.
@PraiseCheezits How do you know they are numeros? Todays known parameters of the Drake Equation: N = R* x Fp x Ne x Fl x Fi x Fc x L leads us to around with ca 2 civilizations in our galaxy, with our being one, there COULD maybe be one more, but that can't be sure neither. Earth is probably the only advanced civilization in our Universe, there may be non-intelligent life though, like bacteria.
what if they're already giving us signals but it's just being disrupted by some space things or were just looking for the wrong message..... or we don't have the technology to detect their signals
What's to say that aliens (if they are out there within radio range), are using a compatible frequency range, or even using radio signals as we know them, in order for us to know they are out there???
Why would aliens be sending out prime numbers, and not general data or conversation through broadcasts at all?
When looking out in to space, because of its vastness, we may never be pointing in the right spot!
Any signals we receive, they would have been sent millions of years ago!
@lazurm They dont have to destroy themselves, just everyone else. The europeans decided to kill everyone in the New World. Not themselves. If Hittler had succeded in exterminating a particular race. The Germans would still be here and the other race completely gone. Very important scientist are now warning about the supposed altruism of ET´s. The great silence can best be explained by Hostile ET´s, not altruistic ET´s.
@phaestor It's impossible to predict what the outcome of Hitler's regime would have been if it survived. Though what you,& others,are proposing may be possible,I'm simply stating that it's not likely simply because it's more likely that,to reach high technological advancement,it seems very important to be able to learn how to achieve a worldwide rational base of cooperation,otherwise the weapons & pollution would overwhelm the civilization.Therefore, they'd most likely be nonthreatening.
@phaestor I personally believe that the "great silence" is explained by the fact that it's extremely difficult to pass from survival via competition to survival via worldwide, rational cooperation...something that our species is currently involved with, and failing miserably (i.e., dealing with climate change, controlling nuclear proliferation, etc.).
Hawking has warned against sending messages. They could be hostile Aliens. Although it is too late now. If they are hostile, slugs of antimater must already be on their way. Possibly a singularity weapon.
@phaestor Very unlikely and highly incomprehensible. If they've survived long enough to send "slugs of antimatter" they've learned how to live in a worldwide rational way, otherwise their hostility would have destroyed themselves long before reaching that level. And, if not (somehow), again...not likely.
@lazurm Please read the article of David Brin - The Dangers of First Contact.
The moral nature of Extraterrestrial Inteligences can not be judged by our standards. They could be highly civilized amonst themselves but regarding other living creatures totally hostile. An irrational hate and fear towards other sentient beings. The desire to exterminate lesser or weaker cultures. Humans have exterminated or tried to exterminate entire races and yet here we are.
Woah Woah Woah hold on a second now. His last point was that they wouldn't see Earth as any different to other planets they see. There's always roughly half a portion of the Earth in shadows (obviously it moves with the sun) and in does part the land is completely lit up with cities etc. Wouldn't the aliens be like "what the fuck??" (in alien language lol)
@CoN0R115 From millions of light years away the earth would just be a tiny dot. The planets we now know exist we have only discovered because of their gravitational tug on their sun (causing a "wobble" ) or because as they pass in front of their sun they block the sunlight by a tiny fraction.
"200 light years (ly)" he said - all information sent out from earth that could've reached that far is 200 years old - we've been using electricity for 400 years, still for 200 years ago, a night view of Earth would've been almost all black.
Go 2k ly away (still 1/10th of our distance to the galactic centre) and 'they' would see Roman Empire-dated earth. 25k ly away (galactic centre) - our ancestors lived in caves as hunters and gatherers...
@mattetjus Not "all information". For instance, if they can ascertain the make-up of our atmosphere, something that we can do now with extrasolar planets, they'd note that the amount of free oxygen in our atmosphere can only be derived via life processes since there are no natural explanations that would otherwise explain an abundance of free oxygen. That information has been around for billions of years, on our planet.
Another possibility is that they know we are here, they have visited us, but they have no interest in associating with humans. If you where the Alien and came across us, would you be in a hurry to announce your presence? They would look at us like we look at monkeys in the zoo, the earth being our zoo. The Aliens would be smart and just leave us in our natural habitat until we became some threat to them, then they might start to take more interest in us.
yes, just how DO you give a specific answer to a hypothetical scenario? oh, wait, carl sagan has an answer. ok, whatever, i don't understand astronomy anyway...
If I could go back in time i'd make sure our first tv boradcast was humans killing aliens saying "come get us bitches." Would really piss off those advanced aliens!
normally in Science you are taught to assume a null hypothesis (something is not true) until you find evidence to the contrary, and that is part of the prudence in Science. I can't think of any other clear example where I think we can disregard that principle than with ET life, on the grounds of the magnitude of the universe and the simplicity of life: composed mainly of carbon, hydrogen, oxygen and nitrogen. It is as if we have our hands over our eyes while inside a Colosseum full of people.
Maybe its like you find a new and primitive civilization and you try to sent the ecyclopedia galactica with smoke signals....
Because after all, if you could go back in time in the roman age no matter how many radio waves or broadcasts you sent, nobody would know shit about you. We still have many to learn. Lets learn about what those netrinos are, what exactly is in the core of an atom....and one day,maybe we will understand and find a way to communicate
Maybe looking for radio waves to find alien signals there is not the way to do.
We on earth use radio waves for about a century or so. Maybe in the future we get to discover another way of communicating, ie a laser beam that goes directly and exactly where it is supposed to go with the fastest speed known yet.
What i mean is that we search for aliens that use our methods of communication. What are the chances?
@NeutralNegotiator yeah, its called fiberoptics and we already comunicate via laser, in fact the line that will carry this post to the servers at youtube will be sent via laser a few times I imagine as it travels from node to node across the country. another hundred years for our signal to reach them, 300 years from now or so to get their reply... Still, we know of nothing that goes faster than light.
life on other planets exists but that makes little difference to life on our own planet. this is our home. there must be some reason why planets are so far away from one another. if we tried to spread to other planets it would not work as we would just over crown them and use all the resources. this is why our universe was made to prevent this from happening so we don't conflict with other life on other planets. planets were desinged to prevent other visitors
@210482fmj Maybe there is life that has hydrogen in its body and breaths methane or something. But truth is that there is gonna be technology to make a planet like mars or even venus inhabitable. Huge spaceships can transfer water from uranus to mars, orbiting panels can be used to cool down venus by artificialy swadowing, and fusion can be used to create carbon from everything. But all that are yet to come. We still know shit, we only assume
Kepler so far has projected from the many extrasolar planet candidates that there might be at least 50 billion planet in this galaxy and based on this 500 million planets within the habatable zone. It has also been projected that planets may altimately outnumber stars and that solid planets may even outnumber gas giants. This still isn't finding an extraterrestrial but that gives some perspective.
@SweetGurl193 With everything that's happening, and is being hinted at with the way people act, and the staggering collective unintelligence of the war loving, hateful human species, are you saying you don't believe him? It is clear as day to me that humans will one day cause an event that will domino into the destruction of our species, and quite possibly many others. If aliens are here, I hope they save a few, because I don't want to remain here when that happens.
Also it is easier to destroy than to create whether it's god or a human. For example: it takes months and months for a mother to carry a child in her womb and for the baby to be born but it takes only a second to kill/destroy that baby's life.
Spelling and grammatical errors don't usually bother me but the swapping of "than" with "then" is inexcusable for anyone above a 2nd grade education. Something about it reeks of Bible Belt Red Neck..
If God really wanted somebody to die he would just do it himself, everytime in the Bible he did. God doesn't need humans to kill for him, He has the power to give life and no problem removing it. Its harder to create then to destroy.
And everytime God did kill in the Bible, its no like he was killing good people, he was killing all bad people, law breaking people.
@RespectMyHate: Throughout history, there have been hundreds of thousands of “Gods.” The question is, how do we know which one is the one true “God?” Is it Zeus, or perhaps Thor? They can’t all be true, because each of them make mutually incompatible claims and contradict one another.
@RespectMyHate: I take it you’re a Christian, and if you are, then why don’t you stone homosexuals to death or stone people who are working on Sunday to death? It says in the Bible that is what you should do. And Jesus said in the New Testament that every jot and title of the law must be fulfilled. Why aren’t you attaining Jesus’ whishes?
@MarvelsofaLifetime Jesus also said "let he who is without sin, cast the first stone" I think you should re-read your Bible, and you will realize that God gave moses the 10 commandments, moses then took those commandments and gave them to the people, but you must realize the people made up their own set of laws as well, which is the stoning of gays, killing those who worked on the sabbth etc.
If you read God never said to kill them, he would always say exile them.
We need to treat each other and our home with the utmost respect as if we all really have to share this ball of dirt on which we obliviously spin. When we stop trying to conquer each other with our militaries, beliefs and economies, maybe, just maybe then a truly advanced civilization will decide its safe enough contact us.
As long as we keep an "us vs. them" mentality and try to "win" things, whether it's arguments or wars we all lose because we as a species are only as strong as our weakest individual. Competitions whether Christianity vs. Islam or America vs. China are counterproductive for an advanced civilization and we will continually miss the big picture in the fact that it's just "us".
All monotheist religions are basically the same it's the prophets that are interchangeable between them. Religion is a tool that governments and leaders use to keep control of their populace and keep them against each other. They rarely if ever point out the parallels because as long as they have a nemesis the feeling of competition and in turn the beliefs will never fade.
God blew air into a dirt statue = man. Thought "hmm, he looks lonely. I think i'll take a rib out of him when he goes to sleep n make him a girlfriend". People can believe what they want. I personally know it's nonsensical. Not to mention so many lives were lost over the beliefs of these myths. Over centuries religions have come and go. The only reason it still exists is because its also a business
“When will we decide to seach for what other civilizations there may be in the vast cosmic ocean?”
When we got our shit together, Sagan! When was the last time you looked outside your ivory tower? There are far more pressing matters at hand than looking out for signs of (very unlikely) other civilizations in space.
Our world leaders are far more likely to make irrational decisions involving first contact as we can't even get along with our neighbor down the street who was raised a little different much less those from another country who made be a few shades darker. We have trust issues. We are still just animals. We still follow religious rituals and superstitions. We still have to bathe every day to reach a standard of cleanliness still far too low for any truly advanced species. We still have to clean
On the other hand, if we come in contact with a civilization much more advanced than ours, but still with the ability for interstellar travel, this could be dangerous. Such a civilization would might act as europeans when first discovered America.
Either case is good.
If the alien civ is very advanced its unlikely to be hostile due to no special interest on earth so no need for worries.
If it is not much advanced and therefore hostile it may be able to reppel them with the tech we have already
Answer no4: ancient civilizations are already here seems the most logical to me. A very advanced civilization would probably see earth as a tiny island with a very interesting natural environment to be abserved. Such a civilization would act like we do when filming animals in their natural environment. It would had no problem reaching and leaving earth at will, and also keeping their presence hidden from us would be easy for them. On the other hand...
Sadly it was recently discovered that our television and radio transmissions do not escape to distant stars. They dissipate into background noise after only about a few light years of travel. But our radio telescopes are different, they focus high energy transmissions into deep space, and they are the best hope for contact with some alien civilization.
Eh... no... why would advanced species transmit all their knowledge to who knows what?
Humans, the one sentient species we KNOW exists would already be a terrible species to give even MORE advanced weaponry.
I think aliens tend to be like the concept of God. People just project themselves upon either the cosmos (God) attributing the cosmos with human traits. Or their own personalities onto aliens. (So Sagan would imagine them to want to teach us, because he teaches people himself.)
I mean, I really like Sagan, but most people aren't kindly sage-like teachers. And that description wouldn't fit humanity either.
I guess me, I'm not really all that sold on the idea that there's technological civilizations out there. I'd have to see one first. Call me the true skeptic. Saying 'the universe is HUGE!' just doesn't actually say that much. Probability doesn't count as PROOF.
But if there are such aliens, why would they be friendly and interested?
@Shavarnarak - animals and plants and rocks etc are sentient too. Actually advanced aliens would know those kinds of things, because - just hypothetically extrapolating how it would have been here had indigenous peoples evolution not been interuppted - they'd have extended their shamanic natural view onto their advances in technology.
@viletree Hey, that would be a "win-win" situation. The xtians would all think they got caught up in the rapture and we wouldn't have to deal with their ignorant dogmatic viewpoints trying to weasel in on science anymore.
@DoctorNociceptor It's not intelligence that determines survivability, it's the ability to rationally cooperate. Being rational and being intelligent are two, separate, issues that are often confused. Hitler was intelligent, as was Stalin. A lot of good it did them and the world. Rationality would be illustrated if the world can come together on, say, climate change and immediately focus their efforts to better the situation. Good luck....
@lazurm You're right -- how could I not have caught that? I've known many people who were intelligent, but only enough to cause trouble, and I used to be rational, as intelligent as I technically am. Also, I've always wanted to have a good comeback to people saying that some irrational person is intelligent, so there's a good comeback.
Indeed -- while there isn't much conflict among the climatologists, the distortions, quote-mining, etc going on outside of that is depressing!
I suggest those watching this video pick up Richard Hoagland's "Dark Mission". There is some interesting data (along with supporting photos) regarding ancient artifacts that have been located on Mars and Earth's moon. It discloses how NASA plays a role at trying (but failing obviously) to keep and or destroy evidence from being disseminated to the public. There are also descriptions of historical "ritualistic" practices that are related to possible extraterrestrial entities. Good book!
@Positionzen At great risk as a commenter on YouTube, I don't wish to point out that Hoagland is spreading disinformation and making up things... but... you should really check our the Gerald Posner articles on Hoagland and the Skeptical Mind-slash Hoagland site.
Maybe some of the assumptions on the Drake equation are way off. For instance
the probability of technological culture emerging in a living ecosystem.
What if there were not a millions of civilizations, but say a hundred in our galaxy...
Then finding one another in a billions of stars becomes quite difficult given the average distance between such civilizations will be tens of thousands of light years.
@AlexanderTheHuge The Drake equation simply shows the possibility of advanced civilization SOMEWHERE. It by no means makes any actual estimate. All variables are relative.
@Torkulguy I realize that, but my point is that when you have so many vague estimations stacked up you may end with an error several orders of magnitude different from the actual number.
And such a huge error could be the answer of the question stated by Carl Sagan here.
@AlexanderTheHuge aye, but all the drake equation presents is that the possibility exists. It never said that it would work even in our own galaxy. On a universal scale, it states that it's impossible to assume that our planet is the only one with the chance of advanced civilization.
We're already detecting exoplanets. If a technological civilization 200LY away did survive, in time they could easily detect that our solar system has a "water planet" in the "green zone." That would be reason enough to check us out, and they could have come here any time in the past few million or billion years. Maybe they have and UFOs exist. Or, maybe almost all civilizations DO destroy themselves. Those are the 2 most plausible answers.
Wow, Russia was the soviet union back then...Good to see that barriers between nations are being broken down. Soon we might be a planet - rather than a compilation of split provinces
Without religions and divide and conquer mechanisms we could spend all that money that we spend on weapons and security to explore other galaxies and make our lives better. No beggars on the streets, no homeless people and no starvation.
I think this film has the same director as "Willy Wonka & the chocolate factory". -OldSchool-
DatsMyNinja 1 month ago
there are probably advanced civilizations all over the place, and also isolated the solar system to save the universe.
pureawesomeness2012 1 month ago
Sadly seti the program designed to do just this was closed :( ....
INMATE2468 2 months ago
Some pulse signals may go undetected? Our tech. may not be advanced enough to detect it?
UFOdad 2 months ago
Or we could use an interstellar warp drive to break the speed of light and get there faster, but anything behind said warp drive would be obliterated.
cooldud777 3 months ago
@NobDickBalls You have some issues you need to deal with right away
gongo3090 3 months ago
The last explanation definitely makes the most sense. Even today, our presence on Earth would be barely perceptible from outside our solar system. Maybe we just have to wait another 100 or so years for our signals to reach past that 200 light year estimate.
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and wiser they wouldnt use radio for communication but tachyon teams or particles that travel many time the speed of light.
kuvceebxab1 3 months ago
and wiser they wouldnt use radio for communication buy tachyon teams or particles that travel many time the speed of light.
kuvceebxab1 3 months ago
Why leave angry ignorant comments. Carl Sagan is a vastly inteligent man. However,, I cannot help but notice comments on here on par with the U.S education system. Where do you dimwitted ignorant commenteer's come from.
Stop learning by MTV.
TheAlpins 3 months ago
This was the basis for the movie Contact that he had a large part in creating.
GrenadeCatcher 3 months ago
Aliens need their heads smashed in,throats slashed,hacked to bits and then sent back to hell!!!! make my fucking blood boil these vermin do!!!! pieces of shit don't belong in gods beautiful universe! we should slaughter these rats they make god angry!
NobDickBalls 4 months ago
@NobDickBalls Why can't God take care of them? Why must he make his creations do it?
SkateboardJones 4 months ago
@NobDickBalls poe
ThePuppyTurtle 4 months ago
@NobDickBalls Getting ready to gear up for an interstellar crusade against a species likely more technologically advanced, are you? Good luck with that then. I think I'd rather shake their hand and learn how to use their tech for the advancement of mankind.
MrTear3 2 months ago
@MrTear3
Meh you silly anthropocentrist! What makes you think they have hands and not tentacles?;)
omegavalerius 2 months ago
@omegavalerius Honestly, I don't think that way and when I am talking to people I know IRL about speculating these kind of things I bring up the same thing you just said. To me, in this context hand=manipulating appendage. I'd still shake it, so long as it wasn't a sexual/offensive thing to them XD lol
Also it tends to be simpler for people like Mr. Xenophobe up their to comprehend :P
MrTear3 2 months ago
@omegavalerius we probably wouldn't even be able to tell their living or even sentient. They may appear to us as rocks appear to us.
Fichengafter 2 months ago
@Fichengafter
I think what you mean is that we appear to them the way rocks appear to us. Anyways peace and good will! :)
omegavalerius 2 months ago
@MrTear3 Fuck off you daft toad! "more technologically advanced" for shitsake are you serious! they'll be as thick as pig shit! they don't deserve to live in the same galaxy as gods children! they will fucking brainwash us all!!!!!!!! FUCK OFF ABOUT SHAKING THEIR VERMIN HANDS!!!! slash their vile throats and send them to hell! they need to be destroyed!!!!!!!
NobDickBalls 2 months ago
@NobDickBalls Alright, I'm going to calmly respond and explain how wrong you are. If an advanced species makes it here and attempts to make peaceful contact, they ARE more technologically advanced. We haven't even sent a human to Mars. You see where this is going? You sir, are an idiot. And that will never change.
MrTear3 2 months ago
@NobDickBalls cant tell if trolling or being serious
SuperAngryMarine 1 month ago
As awesome as contacting an alien civilization may sound like, I think sadly we would only pay attention to that contact for a few days and then carry on with what we were doing.
Apjooz 4 months ago
@Apjooz Not necessarily if their message said "Yo! Peoples of the Earth! Behave or we'll come over and beat the living shit outta y'all! Just sayin'."
TOIJALANABC 4 months ago
He certainly harps on about 'self destruction' a lot! I guess that was the whole Cold War thing.
Great video though, makes you think of the possibilities.
mahmoudyzadeh 5 months ago
Sagan and other astronomers completely exaggerate the possibility of alien civilizations. The conditions required are extremely precise, and Earth could very well be the only planet in the galaxy which has them-- despite the fantasies of sci-fi writers.
SovereignStatesman 5 months ago
@SovereignStatesman I think you are completely exaggerating how unique we are in the cosmos, if the billions of galaxies all have billions of stars, and lets just say 50% of those have 1 or more planets, you do the math on the probability of even 1 of those planets having conditions that are right for a life form to exist. Dont forget that a bacteria is still a life form and they can survive in extremely harsh conditions.
malenkoicp 5 months ago
Sagan was wonderful. We need more like him - people with vision and a message of hope for the future. We have far too much bad news every day - no wonder so many people are unhappy....
mikeismad61 5 months ago
@mikeismad61
Sagan was a doomsayer, always claiming that a nuclear war could destroy all human civilization, and preaching pacifism as the answer... apparently he was asleep during the Cold War, and how it murdered 150 million people worldwide. In his book, that was no reason to keep our nukes to prevent the same thing from happening to the rest of us.
SovereignStatesman 5 months ago
I think Sagan had a point of view as do you. I think that nuclear weapons helped keep the peace and we need a few but NOT 1000's of them.
I think the point Sagan was making was that we stand on a cross roads - we can now kill almost all life on Earth - it would recover over time - but perhaps without us, other more advanced life forms must have reached this point as well (before us) perhaps they made a mistake and that's the reason that we have not been contacted?
mikeismad61 5 months ago
@mikeismad61
"I think Sagan had a point of view as do you."
Fuck off Obi-wan; Sagan's lived in a fucking IVORY TOWER with his head in the sky, but still had the audacity and arrogance to preach simplistic solutions to complex problems-- like ALL the stuck-up Ivy-Leaguers who cozy up to government for more handouts, while it CAUSES those problems.
"we can now kill almost all life on Earth"
Yeah right, blaming the victims of communism as the aggressors. You're just another suck-up douche.
SovereignStatesman 5 months ago
Oh dear , I'd forgotten how small minded some people can be.. sad, If I were you I'd seek help..soon
mikeismad61 5 months ago
@mikeismad61
Yes, that's becaue you ARE you, and you're an arrogant little shit.. And if I were you, I'd cut my goddamned THROAT because there's NO cure for stupidity.
SovereignStatesman 5 months ago
I STRONGLY SUGGEST U TUBERS AVOID YOU, as can't make my mind up - are you ill or just a wind up artist ? ? !
Either way I've moved on and won't be replying to you anymore
Have a good day - the blessings of a good decent man such as Carl Sagan be upon you
mikeismad61 5 months ago
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@mikeismad61
No wonder you like him, useful idiots think alike.
SovereignStatesman 5 months ago
I love this man. I could watch his videos all day over and over again.
salehjoon 5 months ago
Its a great big freak show, and they are watching us, from a distance, laughing at our stupidity!
deeppurple28 5 months ago
@deeppurple28 have you been watching South Park.
ilikecoding 5 months ago
@ilikecoding Maybe, why? Explain yourself! What's wrong with someone watching a cartoon show for entertainment?
deeppurple28 5 months ago
@deeppurple28 South Park is my favorite TV show by the way, but what I meant was that you got the idea from South Park. Didn't you?
ilikecoding 5 months ago
@ilikecoding Actually no not at all! I got the idea from George Carlin, here check it out! watch?v=7KPEJNGAlqw
deeppurple28 5 months ago
prime numbers are not all prime if its not a 10 base numeric system - which is a kinda of random chance based probably on 10 fingers
MrIzzyDizzy 5 months ago
You're displaying your ignorance, prime numbers are "prime" in any number system.
a70duster 5 months ago
@a70duster ook - sorry m8- ididnt know that - thats why im not in charge of seti then - clears things up abit thanks
MrIzzyDizzy 5 months ago
This means they wouldn't need to use the human race as a workforce. I think if they were visiting us, it would simply be to observe our behavior, much like how we learn a great deal more about our world by observing animals in their natural habitat.
Linkage1992 5 months ago
@Linkage1992 Agreed. I don't see the point in visiting Earth if they're advanced to even get here. Finding new life is cool and all, but I think if another race is looking around through the universe we're but animals to them. They might enslave us, ask us to join them, I don't know. They might learn from us, like we learn from out own animals as you said. But we're a bad example of civilization because it's all about power for lots of people.
MIDNAq1LINK 5 months ago
I believe that Hawking is mistaken with his approach to dealing with alien encounters. What would they want with us anyway? By just being able to reach us, we know they would be able to travel vast distances quickly, meaning that they would be able to get their resources from a multitude of other planets at will without having to displace us. Also, they would have the ability to create their ships and devices by means of advanced automation.
Linkage1992 5 months ago
I wouldn't.
ohwowsecretcow 6 months ago
Maybe they don't care. Maybe they've made contact with each other so many times that human beings on Earth seem unworthy of their time and effort.
petros0001 6 months ago
The only problem with radio communications, is that we are assuming that these (Alien) life forms are also using radio technologies...Maybe they are using something else? Something that we may not be using yet? ..just a thought.. Maybe they don't need a spoken form of communication, maybe they use telephathy?
metalbandsrule 6 months ago
My personal guess is that all technological civilisations ultimately destroy themselves. Depressing.
My hope is that there's aliens watching us right now, and just not interfering yet, until we're advanced enough to be contacted without causing harm.
Azyashi 6 months ago
@Azyashi I wish that were true, but I doubt it. :(
halflifefan84 6 months ago
>_>
Seradinea 6 months ago
2:00 like in the movie contact :)
DNesij 7 months ago
@DNesij He wrote the book.
Itasattc 7 months ago
why are all the comments like 18 pages long?... i hate that.
DJSpiderwebz 7 months ago
@DJSpiderwebz because people think that since it's a video about somebody who's smart they have to write novels and have intellectual debates, DIDN'T YA KNOW?! gosh.O
dumpywhite 7 months ago
@dumpywhite Lmao!
DJSpiderwebz 6 months ago
@DJSpiderwebz You'd LOVE Twitter :)
JudasPriestLiam 6 months ago
@JudasPriestLiam made one for 1 hour and deleted it. Lol
DJSpiderwebz 5 months ago
@DJSpiderwebz Because internet warriors are serious business.
JacksInn 5 months ago
All the extra-terrestrial civilizations that exist out there (and they are numerous) are SO FAR away that any transmissions sent would need to be beyond giga-watts in power for us to have even a remote chance to detect them. They would have to send out a radio signal equivalent to a thermo-nuclear explosion in power "per pulse" in order for us to even have a REMOTE chance of detecting it.
PraiseCheezits 7 months ago
@PraiseCheezits How do you know they are numeros? Todays known parameters of the Drake Equation: N = R* x Fp x Ne x Fl x Fi x Fc x L leads us to around with ca 2 civilizations in our galaxy, with our being one, there COULD maybe be one more, but that can't be sure neither. Earth is probably the only advanced civilization in our Universe, there may be non-intelligent life though, like bacteria.
thetraceur123 7 months ago
@thetraceur123 well then we could fuck those bacteria up, your planet's mine bitch!
Tirius9393 7 months ago
@Tirius9393 HAHAHAHAHAHAHAHAHH!½1111 .... You're boring. =/
thetraceur123 7 months ago
@PraiseCheezits like 1.21 giga-watts
MorbidAngel2011 7 months ago
what if they're already giving us signals but it's just being disrupted by some space things or were just looking for the wrong message..... or we don't have the technology to detect their signals
dtihkse 7 months ago
What's to say that aliens (if they are out there within radio range), are using a compatible frequency range, or even using radio signals as we know them, in order for us to know they are out there???
Why would aliens be sending out prime numbers, and not general data or conversation through broadcasts at all?
When looking out in to space, because of its vastness, we may never be pointing in the right spot!
Any signals we receive, they would have been sent millions of years ago!
jerryg50 7 months ago
@lazurm They dont have to destroy themselves, just everyone else. The europeans decided to kill everyone in the New World. Not themselves. If Hittler had succeded in exterminating a particular race. The Germans would still be here and the other race completely gone. Very important scientist are now warning about the supposed altruism of ET´s. The great silence can best be explained by Hostile ET´s, not altruistic ET´s.
phaestor 7 months ago
@phaestor It's impossible to predict what the outcome of Hitler's regime would have been if it survived. Though what you,& others,are proposing may be possible,I'm simply stating that it's not likely simply because it's more likely that,to reach high technological advancement,it seems very important to be able to learn how to achieve a worldwide rational base of cooperation,otherwise the weapons & pollution would overwhelm the civilization.Therefore, they'd most likely be nonthreatening.
lazurm 7 months ago
@phaestor I personally believe that the "great silence" is explained by the fact that it's extremely difficult to pass from survival via competition to survival via worldwide, rational cooperation...something that our species is currently involved with, and failing miserably (i.e., dealing with climate change, controlling nuclear proliferation, etc.).
lazurm 7 months ago
One is not a prime number.
barajas9536 7 months ago
Comment removed
lazurm 7 months ago
@barajas9536 You are correct. An explanation can be found by googling prime number explanation and reading the wikipedia article.
lazurm 7 months ago
Hawking has warned against sending messages. They could be hostile Aliens. Although it is too late now. If they are hostile, slugs of antimater must already be on their way. Possibly a singularity weapon.
phaestor 8 months ago
@phaestor Very unlikely and highly incomprehensible. If they've survived long enough to send "slugs of antimatter" they've learned how to live in a worldwide rational way, otherwise their hostility would have destroyed themselves long before reaching that level. And, if not (somehow), again...not likely.
lazurm 7 months ago
@lazurm Please read the article of David Brin - The Dangers of First Contact.
The moral nature of Extraterrestrial Inteligences can not be judged by our standards. They could be highly civilized amonst themselves but regarding other living creatures totally hostile. An irrational hate and fear towards other sentient beings. The desire to exterminate lesser or weaker cultures. Humans have exterminated or tried to exterminate entire races and yet here we are.
phaestor 7 months ago
Woah Woah Woah hold on a second now. His last point was that they wouldn't see Earth as any different to other planets they see. There's always roughly half a portion of the Earth in shadows (obviously it moves with the sun) and in does part the land is completely lit up with cities etc. Wouldn't the aliens be like "what the fuck??" (in alien language lol)
CoN0R115 8 months ago
@CoN0R115 From millions of light years away the earth would just be a tiny dot. The planets we now know exist we have only discovered because of their gravitational tug on their sun (causing a "wobble" ) or because as they pass in front of their sun they block the sunlight by a tiny fraction.
cf80to01 8 months ago
@CoN0R115
"200 light years (ly)" he said - all information sent out from earth that could've reached that far is 200 years old - we've been using electricity for 400 years, still for 200 years ago, a night view of Earth would've been almost all black.
Go 2k ly away (still 1/10th of our distance to the galactic centre) and 'they' would see Roman Empire-dated earth. 25k ly away (galactic centre) - our ancestors lived in caves as hunters and gatherers...
mattetjus 8 months ago
@mattetjus Not "all information". For instance, if they can ascertain the make-up of our atmosphere, something that we can do now with extrasolar planets, they'd note that the amount of free oxygen in our atmosphere can only be derived via life processes since there are no natural explanations that would otherwise explain an abundance of free oxygen. That information has been around for billions of years, on our planet.
lazurm 7 months ago
Did Carl Sagan invent the Prime Directive?
UpwardBound5656 8 months ago 2
@UpwardBound5656 Yes he did, but blaggards like Kirk and Picard will be here soon enough to violate it
gerrymoran1 8 months ago
Another possibility is that they know we are here, they have visited us, but they have no interest in associating with humans. If you where the Alien and came across us, would you be in a hurry to announce your presence? They would look at us like we look at monkeys in the zoo, the earth being our zoo. The Aliens would be smart and just leave us in our natural habitat until we became some threat to them, then they might start to take more interest in us.
nikolayzou 9 months ago
We spend so much money looking for life and all you have to do is knock on the Whitehouse door.
nikolayzou 9 months ago
@Kinkseraph philosophically anything is possible
andres550 9 months ago
Droooooiiiiiid.
azpir 9 months ago
yes, just how DO you give a specific answer to a hypothetical scenario? oh, wait, carl sagan has an answer. ok, whatever, i don't understand astronomy anyway...
AlemanJuan 9 months ago
Compelling stuff.
LambCouplet 9 months ago
If I could go back in time i'd make sure our first tv boradcast was humans killing aliens saying "come get us bitches." Would really piss off those advanced aliens!
hamsamwich123 10 months ago
The Encyclopedia Galactica is impressive but the presentation is boring. I prefer the Hitchhiker's Guide to the Galaxy. Amirite?
Whimzy74 10 months ago
normally in Science you are taught to assume a null hypothesis (something is not true) until you find evidence to the contrary, and that is part of the prudence in Science. I can't think of any other clear example where I think we can disregard that principle than with ET life, on the grounds of the magnitude of the universe and the simplicity of life: composed mainly of carbon, hydrogen, oxygen and nitrogen. It is as if we have our hands over our eyes while inside a Colosseum full of people.
mrhansenable 10 months ago
Maybe its like you find a new and primitive civilization and you try to sent the ecyclopedia galactica with smoke signals....
Because after all, if you could go back in time in the roman age no matter how many radio waves or broadcasts you sent, nobody would know shit about you. We still have many to learn. Lets learn about what those netrinos are, what exactly is in the core of an atom....and one day,maybe we will understand and find a way to communicate
NeutralNegotiator 10 months ago
Maybe looking for radio waves to find alien signals there is not the way to do.
We on earth use radio waves for about a century or so. Maybe in the future we get to discover another way of communicating, ie a laser beam that goes directly and exactly where it is supposed to go with the fastest speed known yet.
What i mean is that we search for aliens that use our methods of communication. What are the chances?
NeutralNegotiator 10 months ago
@NeutralNegotiator yeah, its called fiberoptics and we already comunicate via laser, in fact the line that will carry this post to the servers at youtube will be sent via laser a few times I imagine as it travels from node to node across the country. another hundred years for our signal to reach them, 300 years from now or so to get their reply... Still, we know of nothing that goes faster than light.
Mikej1592 9 months ago
Puerto Rico Arecibo Radio-Observatory :) yea I'm very proud.
officialspaceefrain 10 months ago
life on other planets exists but that makes little difference to life on our own planet. this is our home. there must be some reason why planets are so far away from one another. if we tried to spread to other planets it would not work as we would just over crown them and use all the resources. this is why our universe was made to prevent this from happening so we don't conflict with other life on other planets. planets were desinged to prevent other visitors
210482fmj 10 months ago
@210482fmj Maybe there is life that has hydrogen in its body and breaths methane or something. But truth is that there is gonna be technology to make a planet like mars or even venus inhabitable. Huge spaceships can transfer water from uranus to mars, orbiting panels can be used to cool down venus by artificialy swadowing, and fusion can be used to create carbon from everything. But all that are yet to come. We still know shit, we only assume
NeutralNegotiator 10 months ago
Kepler so far has projected from the many extrasolar planet candidates that there might be at least 50 billion planet in this galaxy and based on this 500 million planets within the habatable zone. It has also been projected that planets may altimately outnumber stars and that solid planets may even outnumber gas giants. This still isn't finding an extraterrestrial but that gives some perspective.
RJL738 11 months ago
carla Sagan says no aliens have been discovered yet .yet many ppl disagree.
apostolisxa 11 months ago
Oh god, this might mean that the planets we see with life on them but no civilizations might actually now be an advanced futuristic empire.
aquanaut145 11 months ago
@aquanaut145 or craters -_-;;
emikochan13 10 months ago
Carl Sagan would have been delighted with NASA's Kepler Program. It has already discovered many planets. NASA won't even give an exact number.
0hgoodbye 11 months ago
I like how he Infers that we are going to kill ourselves.
SweetGurl193 11 months ago
@SweetGurl193 With everything that's happening, and is being hinted at with the way people act, and the staggering collective unintelligence of the war loving, hateful human species, are you saying you don't believe him? It is clear as day to me that humans will one day cause an event that will domino into the destruction of our species, and quite possibly many others. If aliens are here, I hope they save a few, because I don't want to remain here when that happens.
impiccolomofo 11 months ago
@SweetGurl193 this was made during the cold war so it's a valid concern :p
emikochan13 10 months ago
Viewer #33,333
dilbert250 11 months ago
Also it is easier to destroy than to create whether it's god or a human. For example: it takes months and months for a mother to carry a child in her womb and for the baby to be born but it takes only a second to kill/destroy that baby's life.
BigDoNk3y 11 months ago
@respectmyhate - modern society isn't the bible. And when have you heard of someone miraculously dying from a divine power?
BigDoNk3y 11 months ago
Using the scientific method applied to social concern will catapult us into unbound possibility.
silversobe 1 year ago
Does anyone know why an advanced being is always naked?
natinegga513 1 year ago
"Dark Sided! If you believe in Jesus you can stay but if you're dark sided GET OUT!"
natinegga513 1 year ago
Spelling and grammatical errors don't usually bother me but the swapping of "than" with "then" is inexcusable for anyone above a 2nd grade education. Something about it reeks of Bible Belt Red Neck..
natinegga513 1 year ago
If God really wanted somebody to die he would just do it himself, everytime in the Bible he did. God doesn't need humans to kill for him, He has the power to give life and no problem removing it. Its harder to create then to destroy.
And everytime God did kill in the Bible, its no like he was killing good people, he was killing all bad people, law breaking people.
RespectMyHate 1 year ago
You see him every night I'm certain.
natinegga513 1 year ago
There is a God.
RespectMyHate 1 year ago
@RespectMyHate: Throughout history, there have been hundreds of thousands of “Gods.” The question is, how do we know which one is the one true “God?” Is it Zeus, or perhaps Thor? They can’t all be true, because each of them make mutually incompatible claims and contradict one another.
MarvelsofaLifetime 1 year ago
@MarvelsofaLifetime The God of the Bible is the most reliable to me.
RespectMyHate 1 year ago
@RespectMyHate: I take it you’re a Christian, and if you are, then why don’t you stone homosexuals to death or stone people who are working on Sunday to death? It says in the Bible that is what you should do. And Jesus said in the New Testament that every jot and title of the law must be fulfilled. Why aren’t you attaining Jesus’ whishes?
MarvelsofaLifetime 1 year ago
@MarvelsofaLifetime Jesus also said "let he who is without sin, cast the first stone" I think you should re-read your Bible, and you will realize that God gave moses the 10 commandments, moses then took those commandments and gave them to the people, but you must realize the people made up their own set of laws as well, which is the stoning of gays, killing those who worked on the sabbth etc.
If you read God never said to kill them, he would always say exile them.
RespectMyHate 1 year ago
We need to treat each other and our home with the utmost respect as if we all really have to share this ball of dirt on which we obliviously spin. When we stop trying to conquer each other with our militaries, beliefs and economies, maybe, just maybe then a truly advanced civilization will decide its safe enough contact us.
natinegga513 1 year ago
As long as we keep an "us vs. them" mentality and try to "win" things, whether it's arguments or wars we all lose because we as a species are only as strong as our weakest individual. Competitions whether Christianity vs. Islam or America vs. China are counterproductive for an advanced civilization and we will continually miss the big picture in the fact that it's just "us".
natinegga513 1 year ago
All monotheist religions are basically the same it's the prophets that are interchangeable between them. Religion is a tool that governments and leaders use to keep control of their populace and keep them against each other. They rarely if ever point out the parallels because as long as they have a nemesis the feeling of competition and in turn the beliefs will never fade.
natinegga513 1 year ago
God blew air into a dirt statue = man. Thought "hmm, he looks lonely. I think i'll take a rib out of him when he goes to sleep n make him a girlfriend". People can believe what they want. I personally know it's nonsensical. Not to mention so many lives were lost over the beliefs of these myths. Over centuries religions have come and go. The only reason it still exists is because its also a business
natinegga513 1 year ago
@natinegga513 Actually Muslims are taking over Christians. Very soon (relatively speaking) Christianity will be as minor as Judaism.
damnghen 1 year ago
Yes..
natinegga513 1 year ago
“When will we decide to seach for what other civilizations there may be in the vast cosmic ocean?”
When we got our shit together, Sagan! When was the last time you looked outside your ivory tower? There are far more pressing matters at hand than looking out for signs of (very unlikely) other civilizations in space.
MoaiMaea 1 year ago
Our world leaders are far more likely to make irrational decisions involving first contact as we can't even get along with our neighbor down the street who was raised a little different much less those from another country who made be a few shades darker. We have trust issues. We are still just animals. We still follow religious rituals and superstitions. We still have to bathe every day to reach a standard of cleanliness still far too low for any truly advanced species. We still have to clean
natinegga513 1 year ago
“We are still just animals. We still follow religious rituals and superstitions.”
Haha, implying religion conflicts the idea of an advanced species, eh?
MoaiMaea 1 year ago
An advanced civilization would look at us as more dangerous. Not technologically of course but as far as temperament, and understandably so. We are
natinegga513 1 year ago
On the other hand, if we come in contact with a civilization much more advanced than ours, but still with the ability for interstellar travel, this could be dangerous. Such a civilization would might act as europeans when first discovered America.
Either case is good.
If the alien civ is very advanced its unlikely to be hostile due to no special interest on earth so no need for worries.
If it is not much advanced and therefore hostile it may be able to reppel them with the tech we have already
NeutralNegotiator 1 year ago
Answer no4: ancient civilizations are already here seems the most logical to me. A very advanced civilization would probably see earth as a tiny island with a very interesting natural environment to be abserved. Such a civilization would act like we do when filming animals in their natural environment. It would had no problem reaching and leaving earth at will, and also keeping their presence hidden from us would be easy for them. On the other hand...
NeutralNegotiator 1 year ago
random
Haavokz 1 year ago
What if we are the most advanced one ?
Mi4Slayer 1 year ago
@Mi4Slayer heh, unlikely
thedeathskittle 1 year ago
@Mi4Slayer I would lol so hard if this was the case.
sk8er4ever0101 1 year ago
This has been flagged as spam show
@Mi4Slayer we are the most stupid do not doubt it
tommi59tk 1 year ago
3 non homo sapiens watched the video
axetroll 1 year ago
Sadly it was recently discovered that our television and radio transmissions do not escape to distant stars. They dissipate into background noise after only about a few light years of travel. But our radio telescopes are different, they focus high energy transmissions into deep space, and they are the best hope for contact with some alien civilization.
NelielTuOderswank 1 year ago
carl would be a great Star Fleet officer...
ChesterLover 1 year ago
not to be disrespectful, but does anyone else think he sounds like Bullwinkle?
caseyspaos 1 year ago
what if they evolved a different base system?
profjaykay 1 year ago
Eh... no... why would advanced species transmit all their knowledge to who knows what?
Humans, the one sentient species we KNOW exists would already be a terrible species to give even MORE advanced weaponry.
I think aliens tend to be like the concept of God. People just project themselves upon either the cosmos (God) attributing the cosmos with human traits. Or their own personalities onto aliens. (So Sagan would imagine them to want to teach us, because he teaches people himself.)
Shavarnarak 1 year ago
@Shavarnarak
I mean, I really like Sagan, but most people aren't kindly sage-like teachers. And that description wouldn't fit humanity either.
I guess me, I'm not really all that sold on the idea that there's technological civilizations out there. I'd have to see one first. Call me the true skeptic. Saying 'the universe is HUGE!' just doesn't actually say that much. Probability doesn't count as PROOF.
But if there are such aliens, why would they be friendly and interested?
Shavarnarak 1 year ago
@Shavarnarak - animals and plants and rocks etc are sentient too. Actually advanced aliens would know those kinds of things, because - just hypothetically extrapolating how it would have been here had indigenous peoples evolution not been interuppted - they'd have extended their shamanic natural view onto their advances in technology.
DracOverLordHaton 1 year ago
Radio Telescopio: Arecibo Puerto Rico
javierneptuno 1 year ago
l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll l ll lll llll lllll llllll :)
javierneptuno 1 year ago
As long as extraterrestrials can beam up all the fundamentalist christians and republicans, then I'd say hell come over here and pay us a visit
viletree 1 year ago
@viletree Hey, that would be a "win-win" situation. The xtians would all think they got caught up in the rapture and we wouldn't have to deal with their ignorant dogmatic viewpoints trying to weasel in on science anymore.
AquaticApe1 1 year ago
@viletree
Let's hope they're not Soviet-style communists LOL.
PortVienna80 1 year ago
I wanna watch Contact again now.
Kousaburo 1 year ago 36
@Kousaburo - there's a reason why it's my favorite movie :)
ydnab 1 year ago
We need more intelligent life on this planet -- both aliens and Carl Sagans.
DoctorNociceptor 1 year ago 43
@DoctorNociceptor You can say that again.
nikolayzou 9 months ago
@DoctorNociceptor It's not intelligence that determines survivability, it's the ability to rationally cooperate. Being rational and being intelligent are two, separate, issues that are often confused. Hitler was intelligent, as was Stalin. A lot of good it did them and the world. Rationality would be illustrated if the world can come together on, say, climate change and immediately focus their efforts to better the situation. Good luck....
lazurm 7 months ago
@lazurm You're right -- how could I not have caught that? I've known many people who were intelligent, but only enough to cause trouble, and I used to be rational, as intelligent as I technically am. Also, I've always wanted to have a good comeback to people saying that some irrational person is intelligent, so there's a good comeback.
Indeed -- while there isn't much conflict among the climatologists, the distortions, quote-mining, etc going on outside of that is depressing!
DoctorNociceptor 7 months ago
I think that earth has more alliens, then the humans itself. Becouse most of them can be even a bacteria, or any other tiny microorganism,
FearlessLT 1 year ago
@1king4all Yeah, except he wouldn't have really been a realistic representative of the species...
instereovideos 1 year ago 3
I suggest those watching this video pick up Richard Hoagland's "Dark Mission". There is some interesting data (along with supporting photos) regarding ancient artifacts that have been located on Mars and Earth's moon. It discloses how NASA plays a role at trying (but failing obviously) to keep and or destroy evidence from being disseminated to the public. There are also descriptions of historical "ritualistic" practices that are related to possible extraterrestrial entities. Good book!
Positionzen 1 year ago
@Positionzen At great risk as a commenter on YouTube, I don't wish to point out that Hoagland is spreading disinformation and making up things... but... you should really check our the Gerald Posner articles on Hoagland and the Skeptical Mind-slash Hoagland site.
DoctorNociceptor 1 year ago
Maybe some of the assumptions on the Drake equation are way off. For instance
the probability of technological culture emerging in a living ecosystem.
What if there were not a millions of civilizations, but say a hundred in our galaxy...
Then finding one another in a billions of stars becomes quite difficult given the average distance between such civilizations will be tens of thousands of light years.
AlexanderTheHuge 1 year ago
@AlexanderTheHuge The Drake equation simply shows the possibility of advanced civilization SOMEWHERE. It by no means makes any actual estimate. All variables are relative.
Torkulguy 1 year ago
@Torkulguy I realize that, but my point is that when you have so many vague estimations stacked up you may end with an error several orders of magnitude different from the actual number.
And such a huge error could be the answer of the question stated by Carl Sagan here.
AlexanderTheHuge 1 year ago
@AlexanderTheHuge aye, but all the drake equation presents is that the possibility exists. It never said that it would work even in our own galaxy. On a universal scale, it states that it's impossible to assume that our planet is the only one with the chance of advanced civilization.
Torkulguy 1 year ago
encyclopedia galactica would make an awesome band name.
TheHawkdaddy 1 year ago
Number 1 is not a prime number...
xeusman 1 year ago
@xeusman Yes it is, 1 and itself is the only number that can divide 1.
Roboguy9000 1 year ago
@Roboguy9000
No its not, "A prime number is a natural number that has exactly "two distinct" natural number divisors: 1 and itself"
xeusman 1 year ago
mushroom
dee9885 1 year ago
We're already detecting exoplanets. If a technological civilization 200LY away did survive, in time they could easily detect that our solar system has a "water planet" in the "green zone." That would be reason enough to check us out, and they could have come here any time in the past few million or billion years. Maybe they have and UFOs exist. Or, maybe almost all civilizations DO destroy themselves. Those are the 2 most plausible answers.
MazeleyFanClub 1 year ago
This has been flagged as spam show
Wow, Russia was the soviet union back then...Good to see that barriers between nations are being broken down. Soon we might be a planet - rather than a compilation of split provinces
HumanTargetAus 1 year ago
Comment removed
HumanTargetAus 1 year ago
they would have telescopes ,and they would have seen,like we can in the near future if there is life ,in close ,say 1000 light years
georgel19841 1 year ago
Without religions and divide and conquer mechanisms we could spend all that money that we spend on weapons and security to explore other galaxies and make our lives better. No beggars on the streets, no homeless people and no starvation.
EsotericWisdom33 1 year ago
@EsotericWisdom33 that sounds great, but we dont have any of that
enriquenumber1 1 year ago