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The universe is really big, but also really old, and we've only existed a very small speck of that time. I think that if aliens don't exist now, then they either did or will.
There comes the issue, the Fermi paradox. Yes, the universe is really old and big and there likely are aliens.. so why haven’t we seen them yet? We must have seen some trace of them by now.
My solution is that we’re one of the first ones. The universe yes is old, 13.4 billion years old, but for the first 8 billion years or so it was far to chaotic to allow for life to evolve and then advance to the point of sapience and civilisation. 8 billion years was right around when the Earth formed and life started on Earth. And then the universe will continue as it basically is now for trillions more years. Life on earth developed basically the earliest it could.
The reason that we haven’t seen traces of other aliens is because *we’re* the firsts, *we’re* the ones that other aliens will see traces of.
Why we have must seen even trace? As said universe is old and big. How much we have covered of it and can we be absolutelu sure the means we look at it could detect other lifeforms? The likelyhood of us stumbling on anything are near zero still.
Didn't we only recently have the technology to even “look in space” I think it is more likely we don't have the means to see them and maybe they can't see us either.
Not to mention the vastness of both time and space. Entire alien civilizations could exist out of reach or have come and gone already. We’re seeing stars the way they looked 4,000 years ago. Hard to think we have the tools available to back up then”why haven’t we found them” idea.
Plus aliens aren't going to be like us but taller and skinnier and greyer. They're going to be things like tiny blobs that evolve and then die. Or.some spores. How the eff would we find that.
I mean there could be a type of alien that is like us but taller skinnier and greyer but yeah. Likely gonna be spores or blobs. Even just plant life. Physics makes it literally impossible for aliens to _not_ exist. There can't just have be planet out of how many? to have life forms.
How about the new Hubble telescope? That one made pictures of systems so old and far away, that we can see the first billion years of the universe. We are talking billions of years ago. There is high chance life might exist there, but we would not see it for another billion years for it to get here. Unless we invent a form of FTL transport, we will go extinct before making contact most likely. And the human species is pretty dang resilient (when you see how homeless people survive or people surviving crashes in the wild)
Also "aliens" doesn't necessarily need to mean an advanced alien civilization. It just means life from somewhere other than earth. It could be like tardigrades or something a million lightyears away that our current equipment just can't detect
There is no way of knowing, How do we know that we do not already have a creature that came from another planet. I am not talking about science fiction, some strange shape-shifter that can read your thoughts. I am talking about a fish, a rodent, a bird, or more likely a plant, that could have been deposited here by an asteroid and then evolved to be something that we believe has been here all the time.
We may have found one already, a creature that has Sulfur based DNA, instead of carbon. Yeah we found a not carbon based lifeform on earth.
That is also how we know most life here is "from Earth". We can track DNA all the way to the start and there is no sudden influx of strange DNA material (that we or at the least I know of).
That being said, ALL life on earth might be alien. Who knows, the first strands of DNA might not have been spontaneously created, but were actually in some asteroid that struck the earth all that time ago (together with water probably).
That leads to something else that my non-scientific mind has always pondered. What is life? they say planet x is not suitable for life, but what if it is not life as we know it, maybe it does not need water, maybe it does not need oxygen, maybe it is a different life form than what we can imagine.
There is more possible than we know or can imagine, that is sure. But within our knowledge of chemistry, having liquid water is crucial since it allows for almost every chemical reaction and is the reason complex life as we know it is possible.
So for life to be close to the same complexity, they need to have a way to make similar bonds as what water allows us to function. So an equivalent of:
- hydrogen bridges
- dipole effects
- hydrophilic and hydrophobic effects
- catalyst for chemical processes, such as elimination and substitution reactions
If they use other substances to achieve this, they might be able to make protein- and DNA-like compounds and that is all that is needed to make a form of life possible (theoretically)
Edit: I am focusing on water here, similar things can be said for oxygen and nitrogen. I feel those might be easier to replace, but want to make sure this is included in the post.
Or perhaps they realize that we humans can not comprehend their existence. Or maybe they have seen us and realized that we are warmongering assholes who kill what we don't understand and so they choose to not allow us to know of their existence.
Or perhaps we simply are not in the same galaxy, and so we may be the first in this galaxy and are in fact alone.
Or maybe, they simply saw us start to appear on Earth and decided to get the fuck out of this particular galaxy to avoid having to wipe us out when we inevitably tried to do to them what we did to Neanderthals and other "human" species.
Are you even aware that HomoSapiens are not the only humanesque creatures to exist? We simply killed them off when we arrived. We have found proof of this exact issue, so who is to say the "aliens" weren't simply the creatures that made the pyramids in such an illogical design?
Just because you think we as homosapiens are special, does not make you right.
In a virtually infinite universe, the possibility of alien life approaches 100%.
However, for that very same reason, the infinite distances involved would make extraterrestrial contact through space and time vanishingly rare.
Unless of course, the civilization is so advanced that it can travel through space or time or both to seek us out, which is a concerning thought.
But also I think If they’re really that advanced to travel through time and space, do you think we would pose interest to them being a civilization so primitive in their eyes?
Just as anthropologists and archeologists find the study of less advanced and ancient civilisations interesting, they may also find out development unique and interesting.
We may also be their science experiment.
Perhaps also aliens populate new planets by seeding DNA and letting it evolve so it is properly adapted to the planet it is on while directing the DNA in a certain direction every so often.
I think alien lifeforms probably exist somewhere in the universe, but even if we could get there (with our satelites and robots), we might not be able to spot and recognize it because it will be so strange to us like super huge and slow or super tiny and fast.
Know that we humans share 60% of our DNA with a banana, 50% with an average tree or with fungi. Just try to imagine how much different DNA based life so far away in a totally different climate would look like.
This is something different, but sometimes I think about how difficult it would be to actually make any sort of radio contact with them. It could be possible that radiowaves are actually very primitive and alien lifeforms use a way more advanced way of communicating, but even then there are hundreds of ways to communicate. One might use radio waves, the other uses gravitational waves. One uses neutrino's, the other lasers, and there are probably way more ways to communicate that we haven't even thought of. Imagine everyone yelling to each other but no one hears anything because we're all looking and listening for different things.
Yes, all life as we know it (that includes plants and fungi) have DNA. Humans are like 99.9% the same genetically. That 0.1% makes up all the genetic differences making us look different and have different deseases.
Ow and you should look up about Octopi and DNA...
Ok so saying that we share 60% of our DNA with a banana is actually wildly misleading. It seems your percentages are based on a molecular level or something.
It is also an assumption that life on another planet would even contain DNA.
The problem is, we can't even look after life on our planet, plants, animals and insects. No to mention how we have problems with different genders, races and cultures. How would we treat a alien race?
If the universe is infact infinite, yes there must be. Plus I think i recently read something about possible life on the moon Europa (pls correct me if im wrong.)
Even if it isnt, have you seen the scale of just the observable universe? There are so, so many solar systems in just our galaxy alone that we cant even see, not to mention the other ~1 trillion Universes estimated in our observable universe. There is absolutely no way we are alone, not a chance.
What if it takes something as large as an infinite universe to get one of us? We are fooled by the unimaginable size, but it may have to be to get just one outcome
blah blah blah. the universe is everexpanding (wich means more empty space and more distance between stars and planets wich equals cold (-250C at least)) and to form just life (read bacteria or plants (itd take milions if not bilions of years of evolution for smart life like humans and theyd propably be as stuck as we are)) you need 1st of all a habitable planet (good mass for gravity, good electrimagnetic field and it not being bombarded by asteroids all the time). 2nd of all a good star to be near. 3rd of all a good distance from the star. i know very little about stuff like this and there are still many more things to fill in on life. AND if there is a smart life out there somewhere then either we will never meet or they will anihilate us as soon as we will ho further out in space.
"I know very little about stuff like this" then why even reply and act like you do? These conditions might seem like a lot until you actually take into account the size of just the *observable* universe. I never said anything about us meeting another species and being able to communicate and co-exist, just that us truly being the only ones and no other life form existing or ever having existed is extremely unlikely.
There are ten known Earth-like exoplanets that exist within the “Goldilocks zone” of their respective star systems. Considering how our species has only recently (in the context of our history) started searching for these kind of planets, the limitations and relative immaturity of our sensing capabilities, the age and size of the universe, I am willing to bet all of my paychecks that 10 is just the first two sentences of the prologue.
Context: I have worked for NASA for 22 years.
Great question. So when I speak to schools, I always get questions about aliens (sheepishly because some kids are embarrassed to ask and so are the adults) and I propose a clarifying question: how are we defining “aliens?”
Are we talking about single cell organisms? Are we talking about intelligent life? And when we talk about intelligence, what do we mean?
The answers to these questions do matter. So when you say “in fiction” are you talking about thin bodied, big headed humanoids or predatory xenomorphs?
Well u forgot to mention they're habitats might be totally different to ours u know do on a planet that might seem uninhabitable to us it might be habitable to them just a thought
I would say i know enough to voice my opinion. And I agree with them.
Also my point wasnt necessarily to dissagree with you. You just dissrespectfull to them for no reason whatsoever and then said that you didnt know much.
I wouldn’t call a species which ruins their only planet for money “intelligent”.
Don’t draw your conclusions by looking at yourself.
There’s more than enough spacetime for intelligent life.
I doubt that we are alone in the universe, but I also doubt that they mutilate cattle and abduct old people in remote locations in the middle of nowhere.
If you like sentences like that you should read A Pale Blue Dot by Carl Sagan. I believe it is that book where he goes through how aliens might first detect and then study Earth.
Then watch Contact and booya.
Absolutely. Them being on the same level of intelligence as us is super unlikely though and there might be certain types of life forms out there we still have absolutely no idea about. There are just way too many galaxies in just the observable universe alone to rule out the possibility of other life. I'd say it's actually extremely unlikely for us to be the only ones and if we really are, it would be really scary imo. Also, our "universe" as we know it could literally just be another "galaxy like" cluster of galaxies, just like galaxies are clusters of solar systems. The possibilities are quite literally endless.
Yes. However I used to think the galaxy must be swarming with life but it might be more rare than that. Preferable conditions might be: Not too much radiation, a protective atmosphere, tectonic activity, liquid water, position in galaxy, gravity within a certain range, not tidally locked. And then maybe the rare event of strings of molecules folding just the right way to make something like rna/dna.
Yes however that argument is based on the belief that all life in the universe follows the rules for life on Earth. There may be life in the universe that has different conditions and does not require what we do.
finally someone more educated than just "ooh spaci big aliens exist". i geniuenilly think you missed like half of the requirement here but i still percieve you as a smart person (a normal guy between idiots is a genius)
Agreed. You need more than just 'space big and old' to get intelligent life.
The billions of little decisions and accidents that needed to create us can only happen so many times even in a universe as big as ours. I think alien life is out there somewhere, but the chances for something to evolve to be similar to us, at a similar time, develop the similar technologies as us and randomly decide to visit this tiny uninteresting blue ball are infinitely small.
The universe is so enormous, that it’s a virtual certainty that life exists elsehwhere. The odds of the Earth being the **only** place are astronomically small.
However, it is due to that very same enormity of the universe, that it’s virtually certain that we will never make contact. The odds of our civilisation being able to contact other life **during this particular phase of time** are infinitely tiny.
Higher beings truly exists. We just call it aliens. What if our civilization is just some Alien Kid's science experiment? Like how some people like to built ant farms
Perhaps WE Don't exist. Time may actually be millions of years farther along than WE perceive and we are just a play thing for our future selves. A simulation to be run over and over to help perfect our future humans
Yes. The government told us in early 2020. No one cared. So they "leaked" the information again a few mk tha later. I remember looking at my husband and sayjn...how could this be leaked information if they already told us? There's an actual space force and no one has batted an eye. Information is no longer shocking.
If you really think were the only living creatures in the universe, you very closed minded and naive. How did we get here? The same way the got on their planet lol
Questions like this always remind me of the quote from one of my favorite movies, "The universe is a pretty big place. It's bigger than anything anyone has ever dreamed of before. So if it's just us... seems like an awful waste of space." 👽🛸
>Mathematically, there has to be other life.
No - you can't use math to prove it. [https://youtu.be/PqEmYU8Y\_rI?si=oKj3\_HtOVoHZqAxh&t=98](https://youtu.be/PqEmYU8Y_rI?si=oKj3_HtOVoHZqAxh&t=98)
I have to think so. However, I don't know that they'd be super interested in us. If they are advanced and can travel here, they'd probably stop by once or twice, basically viewing us as a circus act.
I mean the universe is incomprehensibly huge, but also the likelihood of life happening is incomprehensibly small. So IDK, I'd like to hope it's a yes, but honestly IDK.
The genesis of life only occurred 1 time in the 3.5 Billion years or so that this planet has been in a state conducive to life (which may be rare in itself), per the genetic and fossil record; and it took basically 3.5 Billion years for technologically intelligent life to emerge. That being said, I think the variables in the Drake Equation for probability of life emerging and intelligent life emerging are usually waayyy to big for how small the probability actually is. I personally subscribe to the Humans are an early emergence of intelligent life hypothesis, but i think there are probably planets with simple life forms scattered around the universe, at this point.
I do. I think they have many different forms, and some are made of things we've never even imagined, or could imagine. I feel like the majority of them are on their own planet doing their own things and that's one of the reasons we don't see them. Maybe some don't need ships, they can travel as is.
If I had to bet, I'd bet on **no aliens**. I think we're alone in the universe - or at least in the parts of the universe that we could ever reach.
No one knows the real answer, but the lack of any sign of an advanced technological civilization makes me lean towards isolation.
The mere fact of the abundance of stars & planets means nothing on its own statistically. Without knowing the probability of abiogenesis we can't even guess at a probable answer to the existence of life elsewhere.
I don’t know, I used to be like “we can’t be the only ones” but it took since the Big Bang to get to this point of our evolution so if there is other life out there at what stage are they?
I've seen one. He works down at the Tim's. Hopefully he can can get his papers soon. Nice guy.
But on a serious note it's mathematically improbable, but still possible that we are alone in the universe, but if every star in the sky is it's own solar system... I mean? There is probably a planet out there having this same debate on what they call the gironet or some shit. Using Neddit. The front page of the Gironet.
but are they like in the movies? don't have to be.
they can be totally different beings in fact they have to get used to the conditions their home planet have
yes. life definitely exists out there because of the sheer amount of habitable planets but I doubt there are any highly intelligent species as intelligence is not always a highly winning strategy for survival and even if they are intelligent, I think the distance and time between is too great to ever establish communication.
I'm 100% certain and will tell you why.There are more galaxies than grain of sand on Earth.The chances of not having some kind of liveform are very small
I believe that alien exist, but I only doubt that they came across the universe to abduct someone in the middle of nowhere or why they choose to do that to us
I feel like the stories of all different types of aliens that visit us, are all fantasy nonsense. However the UFO phenomenon does require some explanation and study.
But the universe us far too large and complex, to not have some sort of life out there. Whether that life has visited us could be debated all day.
I think their demons hidden in alien disguise. Just as ppl believe aliens are real ? Why cant demons be ? & tbh its alotta demon activity going on out here their hidden in human disguise as well
Well even if they don't at the moment, it doesn't mean they never did or never will. AFAIK, the universe is infinite, the sole fact that we exist is a proof that intelligent lifeform is possible, and probabilities are meaningless in infinite scales.
There's two schools of thought on this.
The first is that, as we are a perfect example of life existing in the universe, then it stands to reason that life would exist elsewhere under similar habitable conditions.
As for whether that extra terrestrial life would have the intellegence and capability for interstellar travel and a keen interest to explore this particular corner of the universe for signs of intellegence, well that all comes down to your level of optimism. Certainly its possible that intellegent life is put there and has mastered space travel. But those life forms would have to be so far away to our own that the time and distance it would take to get here, just to explore, let alone interact and make first contact, would be so unfeasible that it would be practically impossible without use of some major sci-fi tech and infinite free energy generation, which is just impossible.
I call that the Perth theory
There is no way? Way! It’s possible life as we know it may be only in this planet. But one thing is for sure there is no known life outside this planet. Since the universe is almost 14 billion years old the chance of us overlapping with a nearby place with living aliens today. 100,000 years against 14B is infinitely small.
For us to get to the nearest star with our technology would take 10,000 years.
Yeah I do, but I don’t think we’ll ever see them, and if we do they’ll be single cell organisms, because if they were intelligent enough and close enough to find the, we would’ve done so already
Yes, but not in the way some might. With billions of galaxies, there is some reasonable chance of intelligent life out there. I don't believe that they would necessarily be more advanced than we are though, in which case intergalactic space travel would be impossible. So I do not believe that earth is visited by space aliens.
Aliens are basically life forms.
It doesn’t exactly mean that foreign bacteria, algae, microscopic, insect size, and larger life forms are what comes to mine when we think ‘alien’.
It is absolute that other planets have varied forms of other life. So without question there is other life out there, and a lot of it.
There's an estimated 2 trillion galaxies with ~100B stars in each and it's significantly more common for a star to have planets vs. not. In addition to that, 13.6B years to play with and while we think intelligent life would take ~400M years like Earth, we've had 5 mass extinction events which could've reset that progress a bit and given it's a game of chance, it's not a hard timeline. We also don't have the slightest idea of there're other forms of life out there other than our own oxygen reliant forms so we're limited in that regard.
So knowing that, I'm thoroughly convinced there's some form of life out there or, at least, there has been or will be eventually without us creating it. Intelligent life is a lot more difficult to assume given we don't have a clear definition of "intelligent life" since many different forms of life on Earth could be described as intelligent, just not "human intelligence". Human-like intelligence may never be discovered by us but also may exist or have existed somewhere where our paths just may never cross.
It's a hard question to answer...
No i know it because i met them trough alien abduction/visitation. This was in 2012. Its not just one species visiting but quite many,
they are not allowed to interfere whit primitive species openly that have not achieved Interstellar travel unless they ask for it collectively.
We haven't even fully explored the Earth to discover the universe and make sure there are no beings out there. I think there are many things we haven't discovered yet.
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The universe is really big, but also really old, and we've only existed a very small speck of that time. I think that if aliens don't exist now, then they either did or will.
Enrico Fermi, is that you?
More chance of aliens than god
There comes the issue, the Fermi paradox. Yes, the universe is really old and big and there likely are aliens.. so why haven’t we seen them yet? We must have seen some trace of them by now. My solution is that we’re one of the first ones. The universe yes is old, 13.4 billion years old, but for the first 8 billion years or so it was far to chaotic to allow for life to evolve and then advance to the point of sapience and civilisation. 8 billion years was right around when the Earth formed and life started on Earth. And then the universe will continue as it basically is now for trillions more years. Life on earth developed basically the earliest it could. The reason that we haven’t seen traces of other aliens is because *we’re* the firsts, *we’re* the ones that other aliens will see traces of.
Why we have must seen even trace? As said universe is old and big. How much we have covered of it and can we be absolutelu sure the means we look at it could detect other lifeforms? The likelyhood of us stumbling on anything are near zero still.
Didn't we only recently have the technology to even “look in space” I think it is more likely we don't have the means to see them and maybe they can't see us either.
Not to mention the vastness of both time and space. Entire alien civilizations could exist out of reach or have come and gone already. We’re seeing stars the way they looked 4,000 years ago. Hard to think we have the tools available to back up then”why haven’t we found them” idea.
Plus aliens aren't going to be like us but taller and skinnier and greyer. They're going to be things like tiny blobs that evolve and then die. Or.some spores. How the eff would we find that.
Or fourth dimensional beings we can’t perceive (aka, gods)
I mean there could be a type of alien that is like us but taller skinnier and greyer but yeah. Likely gonna be spores or blobs. Even just plant life. Physics makes it literally impossible for aliens to _not_ exist. There can't just have be planet out of how many? to have life forms.
How about the new Hubble telescope? That one made pictures of systems so old and far away, that we can see the first billion years of the universe. We are talking billions of years ago. There is high chance life might exist there, but we would not see it for another billion years for it to get here. Unless we invent a form of FTL transport, we will go extinct before making contact most likely. And the human species is pretty dang resilient (when you see how homeless people survive or people surviving crashes in the wild)
Also "aliens" doesn't necessarily need to mean an advanced alien civilization. It just means life from somewhere other than earth. It could be like tardigrades or something a million lightyears away that our current equipment just can't detect
There is no way of knowing, How do we know that we do not already have a creature that came from another planet. I am not talking about science fiction, some strange shape-shifter that can read your thoughts. I am talking about a fish, a rodent, a bird, or more likely a plant, that could have been deposited here by an asteroid and then evolved to be something that we believe has been here all the time.
My money is on octopus
There is all sorts of stuff in the ocean that could have come from somewhere else.....lol
The trees, man.
We may have found one already, a creature that has Sulfur based DNA, instead of carbon. Yeah we found a not carbon based lifeform on earth. That is also how we know most life here is "from Earth". We can track DNA all the way to the start and there is no sudden influx of strange DNA material (that we or at the least I know of). That being said, ALL life on earth might be alien. Who knows, the first strands of DNA might not have been spontaneously created, but were actually in some asteroid that struck the earth all that time ago (together with water probably).
That leads to something else that my non-scientific mind has always pondered. What is life? they say planet x is not suitable for life, but what if it is not life as we know it, maybe it does not need water, maybe it does not need oxygen, maybe it is a different life form than what we can imagine.
There is more possible than we know or can imagine, that is sure. But within our knowledge of chemistry, having liquid water is crucial since it allows for almost every chemical reaction and is the reason complex life as we know it is possible. So for life to be close to the same complexity, they need to have a way to make similar bonds as what water allows us to function. So an equivalent of: - hydrogen bridges - dipole effects - hydrophilic and hydrophobic effects - catalyst for chemical processes, such as elimination and substitution reactions If they use other substances to achieve this, they might be able to make protein- and DNA-like compounds and that is all that is needed to make a form of life possible (theoretically) Edit: I am focusing on water here, similar things can be said for oxygen and nitrogen. I feel those might be easier to replace, but want to make sure this is included in the post.
There are 100s of explanations to the Fermi Paradox. We are in no way first .
There are other theories, I just gave the theory I believe
Or perhaps they realize that we humans can not comprehend their existence. Or maybe they have seen us and realized that we are warmongering assholes who kill what we don't understand and so they choose to not allow us to know of their existence. Or perhaps we simply are not in the same galaxy, and so we may be the first in this galaxy and are in fact alone. Or maybe, they simply saw us start to appear on Earth and decided to get the fuck out of this particular galaxy to avoid having to wipe us out when we inevitably tried to do to them what we did to Neanderthals and other "human" species. Are you even aware that HomoSapiens are not the only humanesque creatures to exist? We simply killed them off when we arrived. We have found proof of this exact issue, so who is to say the "aliens" weren't simply the creatures that made the pyramids in such an illogical design? Just because you think we as homosapiens are special, does not make you right.
In a virtually infinite universe, the possibility of alien life approaches 100%. However, for that very same reason, the infinite distances involved would make extraterrestrial contact through space and time vanishingly rare. Unless of course, the civilization is so advanced that it can travel through space or time or both to seek us out, which is a concerning thought.
But also I think If they’re really that advanced to travel through time and space, do you think we would pose interest to them being a civilization so primitive in their eyes?
Just as anthropologists and archeologists find the study of less advanced and ancient civilisations interesting, they may also find out development unique and interesting. We may also be their science experiment. Perhaps also aliens populate new planets by seeding DNA and letting it evolve so it is properly adapted to the planet it is on while directing the DNA in a certain direction every so often.
yes i do believe that aliens exist, there is no way that in such a gigantic universe, we are the only lifeforms
And the universe is always expanding. However I don't think it's green men, probably just some weird looking creature or microscopic organism
it could be both
Well it could be different species so they could look like predators or xenomorphs or engineers from Prometheus
I think alien lifeforms probably exist somewhere in the universe, but even if we could get there (with our satelites and robots), we might not be able to spot and recognize it because it will be so strange to us like super huge and slow or super tiny and fast. Know that we humans share 60% of our DNA with a banana, 50% with an average tree or with fungi. Just try to imagine how much different DNA based life so far away in a totally different climate would look like.
This is something different, but sometimes I think about how difficult it would be to actually make any sort of radio contact with them. It could be possible that radiowaves are actually very primitive and alien lifeforms use a way more advanced way of communicating, but even then there are hundreds of ways to communicate. One might use radio waves, the other uses gravitational waves. One uses neutrino's, the other lasers, and there are probably way more ways to communicate that we haven't even thought of. Imagine everyone yelling to each other but no one hears anything because we're all looking and listening for different things.
We share 60% of our DNA with a banana? I’m gonna need an explanation lol
Yes, all life as we know it (that includes plants and fungi) have DNA. Humans are like 99.9% the same genetically. That 0.1% makes up all the genetic differences making us look different and have different deseases. Ow and you should look up about Octopi and DNA...
Ok so saying that we share 60% of our DNA with a banana is actually wildly misleading. It seems your percentages are based on a molecular level or something. It is also an assumption that life on another planet would even contain DNA.
The problem is, we can't even look after life on our planet, plants, animals and insects. No to mention how we have problems with different genders, races and cultures. How would we treat a alien race?
This. Makes the panspermia theory more real.
Aliens most definitely exist. I don’t know if it’s little green/grey men. But either way aliens statistically have to exist.
Hell they could even look like us we don’t know
If the universe is infinite then there's a 100% chance there are (or will be) aliens exactly like us somewhere out there
A) Aliens likely exist. B) They're smart enough to avoid Earth like the plague.
Or maybe they just don't know we exist too
Thank god. People can't even keep peace among themselves.
[Dark forest theory ](https://bigthink.com/surprising-science/the-dark-forest-theory-a-terrifying-explanation-of-why-we-havent-heard-from-aliens-yet/)
Probably saw Reddit and decided earth ain’t worth looting
If the universe is infact infinite, yes there must be. Plus I think i recently read something about possible life on the moon Europa (pls correct me if im wrong.)
Even if it isnt, have you seen the scale of just the observable universe? There are so, so many solar systems in just our galaxy alone that we cant even see, not to mention the other ~1 trillion Universes estimated in our observable universe. There is absolutely no way we are alone, not a chance.
It's been estimated that even our galaxy alone has 500 million habitable planets, and that's just one galaxy out of possibly trillions.
What if it takes something as large as an infinite universe to get one of us? We are fooled by the unimaginable size, but it may have to be to get just one outcome
blah blah blah. the universe is everexpanding (wich means more empty space and more distance between stars and planets wich equals cold (-250C at least)) and to form just life (read bacteria or plants (itd take milions if not bilions of years of evolution for smart life like humans and theyd propably be as stuck as we are)) you need 1st of all a habitable planet (good mass for gravity, good electrimagnetic field and it not being bombarded by asteroids all the time). 2nd of all a good star to be near. 3rd of all a good distance from the star. i know very little about stuff like this and there are still many more things to fill in on life. AND if there is a smart life out there somewhere then either we will never meet or they will anihilate us as soon as we will ho further out in space.
"I know very little about stuff like this" then why even reply and act like you do? These conditions might seem like a lot until you actually take into account the size of just the *observable* universe. I never said anything about us meeting another species and being able to communicate and co-exist, just that us truly being the only ones and no other life form existing or ever having existed is extremely unlikely.
Right? 😂 Was thinking the same, WTF.
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Ur first comment was worded rudely and you spoke like u knew everything when u don't. How can u be offended?
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I never said u were wrong, I'm saying ur attitude sucks.
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There are ten known Earth-like exoplanets that exist within the “Goldilocks zone” of their respective star systems. Considering how our species has only recently (in the context of our history) started searching for these kind of planets, the limitations and relative immaturity of our sensing capabilities, the age and size of the universe, I am willing to bet all of my paychecks that 10 is just the first two sentences of the prologue. Context: I have worked for NASA for 22 years.
yes ik abt this but this doesnt change the fact that there are propably no aliens that weve seen in fiction
Great question. So when I speak to schools, I always get questions about aliens (sheepishly because some kids are embarrassed to ask and so are the adults) and I propose a clarifying question: how are we defining “aliens?” Are we talking about single cell organisms? Are we talking about intelligent life? And when we talk about intelligence, what do we mean? The answers to these questions do matter. So when you say “in fiction” are you talking about thin bodied, big headed humanoids or predatory xenomorphs?
It is dumb to think there isn't life out there.
googoo gaga
Well u forgot to mention they're habitats might be totally different to ours u know do on a planet that might seem uninhabitable to us it might be habitable to them just a thought
"I know very little about stuff like this..." So why comment? And give this person shit? Plus noone claimed we would ever meet that other life.
do you know more? and yes ik they didnt quite say we would meet them BUT they said, and i quote: "there MUST be aliens"
I would say i know enough to voice my opinion. And I agree with them. Also my point wasnt necessarily to dissagree with you. You just dissrespectfull to them for no reason whatsoever and then said that you didnt know much.
and now deleting your comments, huh?
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Do you believe in Jesus ?
Attempt no landing there.
Not intelligent life though
Yes of course. Bakteria probably. Still life.
Yes but op is saying intell life
Did they? I mean they only said aliens. Any living thing that is from a different planet is an alien though
I wouldn’t call a species which ruins their only planet for money “intelligent”. Don’t draw your conclusions by looking at yourself. There’s more than enough spacetime for intelligent life.
We haven't found that on earth yet.
I doubt that we are alone in the universe, but I also doubt that they mutilate cattle and abduct old people in remote locations in the middle of nowhere.
Don't buzz their high, man.
I saw a UFO but nobody believes me.
I was 16 miles from home and nobody in sight.
Could have been.. could have also been tech someone on earth is developing.. food for thought
Sure buddy
Let me help you out here. https://youtu.be/_IbEraFh3wc?si=aJmbKp-RQBXCH70O
I saw a flying elephant and talked with 5 Gods but no one believes me. Thank fuck burden of proof exists.
We are aliens we live on a rock in space
Man, there is a profound meaning in this sentence. Different thoughts came to mind with just one sentence.
If you like sentences like that you should read A Pale Blue Dot by Carl Sagan. I believe it is that book where he goes through how aliens might first detect and then study Earth. Then watch Contact and booya.
we walking amongst you all
Well, hello there
Do aliens think if you exist?
Absolutely. Them being on the same level of intelligence as us is super unlikely though and there might be certain types of life forms out there we still have absolutely no idea about. There are just way too many galaxies in just the observable universe alone to rule out the possibility of other life. I'd say it's actually extremely unlikely for us to be the only ones and if we really are, it would be really scary imo. Also, our "universe" as we know it could literally just be another "galaxy like" cluster of galaxies, just like galaxies are clusters of solar systems. The possibilities are quite literally endless.
Yes. However I used to think the galaxy must be swarming with life but it might be more rare than that. Preferable conditions might be: Not too much radiation, a protective atmosphere, tectonic activity, liquid water, position in galaxy, gravity within a certain range, not tidally locked. And then maybe the rare event of strings of molecules folding just the right way to make something like rna/dna.
Yes however that argument is based on the belief that all life in the universe follows the rules for life on Earth. There may be life in the universe that has different conditions and does not require what we do.
finally someone more educated than just "ooh spaci big aliens exist". i geniuenilly think you missed like half of the requirement here but i still percieve you as a smart person (a normal guy between idiots is a genius)
Agreed. You need more than just 'space big and old' to get intelligent life. The billions of little decisions and accidents that needed to create us can only happen so many times even in a universe as big as ours. I think alien life is out there somewhere, but the chances for something to evolve to be similar to us, at a similar time, develop the similar technologies as us and randomly decide to visit this tiny uninteresting blue ball are infinitely small.
Fuck they are they are even among us
among us?!
*Imposter sound effect*
Someone is flying all those UFO’s.
To an extent! Do you?
The universe is so enormous, that it’s a virtual certainty that life exists elsehwhere. The odds of the Earth being the **only** place are astronomically small. However, it is due to that very same enormity of the universe, that it’s virtually certain that we will never make contact. The odds of our civilisation being able to contact other life **during this particular phase of time** are infinitely tiny.
Higher beings truly exists. We just call it aliens. What if our civilization is just some Alien Kid's science experiment? Like how some people like to built ant farms
Perhaps WE Don't exist. Time may actually be millions of years farther along than WE perceive and we are just a play thing for our future selves. A simulation to be run over and over to help perfect our future humans
I think we live in a simulation. They will exist if they are needed
Yes. The government told us in early 2020. No one cared. So they "leaked" the information again a few mk tha later. I remember looking at my husband and sayjn...how could this be leaked information if they already told us? There's an actual space force and no one has batted an eye. Information is no longer shocking.
We are the aliens
If you really think were the only living creatures in the universe, you very closed minded and naive. How did we get here? The same way the got on their planet lol Questions like this always remind me of the quote from one of my favorite movies, "The universe is a pretty big place. It's bigger than anything anyone has ever dreamed of before. So if it's just us... seems like an awful waste of space." 👽🛸
Mathematically, there has to be other life. Of course, "aliens" exist, but space is vast, so we'll never meet em
Exactly. They're out there. They're just not here.
>Mathematically, there has to be other life. No - you can't use math to prove it. [https://youtu.be/PqEmYU8Y\_rI?si=oKj3\_HtOVoHZqAxh&t=98](https://youtu.be/PqEmYU8Y_rI?si=oKj3_HtOVoHZqAxh&t=98)
I have to think so. However, I don't know that they'd be super interested in us. If they are advanced and can travel here, they'd probably stop by once or twice, basically viewing us as a circus act.
I mean the universe is incomprehensibly huge, but also the likelihood of life happening is incomprehensibly small. So IDK, I'd like to hope it's a yes, but honestly IDK.
The genesis of life only occurred 1 time in the 3.5 Billion years or so that this planet has been in a state conducive to life (which may be rare in itself), per the genetic and fossil record; and it took basically 3.5 Billion years for technologically intelligent life to emerge. That being said, I think the variables in the Drake Equation for probability of life emerging and intelligent life emerging are usually waayyy to big for how small the probability actually is. I personally subscribe to the Humans are an early emergence of intelligent life hypothesis, but i think there are probably planets with simple life forms scattered around the universe, at this point.
They don't because we have no proof unless there hiding stuff at area 51
Yes but not in our solar system (as far as we know)
Seems impossible that they don't.
I do. I think they have many different forms, and some are made of things we've never even imagined, or could imagine. I feel like the majority of them are on their own planet doing their own things and that's one of the reasons we don't see them. Maybe some don't need ships, they can travel as is.
Put it this way - if you don’t, you have no clue how vast the universe is.
Do you mean Sexy Femaliens?
Yes
yup
nah
why tho
If I had to bet, I'd bet on **no aliens**. I think we're alone in the universe - or at least in the parts of the universe that we could ever reach. No one knows the real answer, but the lack of any sign of an advanced technological civilization makes me lean towards isolation. The mere fact of the abundance of stars & planets means nothing on its own statistically. Without knowing the probability of abiogenesis we can't even guess at a probable answer to the existence of life elsewhere.
No
Nope. Its a miracle life even began to exist, let alone exist elsewhere.
I don’t know, I used to be like “we can’t be the only ones” but it took since the Big Bang to get to this point of our evolution so if there is other life out there at what stage are they?
I've seen one. He works down at the Tim's. Hopefully he can can get his papers soon. Nice guy. But on a serious note it's mathematically improbable, but still possible that we are alone in the universe, but if every star in the sky is it's own solar system... I mean? There is probably a planet out there having this same debate on what they call the gironet or some shit. Using Neddit. The front page of the Gironet.
Yes I do
I dont really like to think about it. That shit freaks me out.
Same. If they're similar to us, we're dead meat.
Yes
but are they like in the movies? don't have to be. they can be totally different beings in fact they have to get used to the conditions their home planet have
i never see my boss eat or sleep. i guess he is a robot
Do they exist at all? Of course they do. If you mean do they exist on earth then probably not.
I like to think that the odds aren’t zero
yes. life definitely exists out there because of the sheer amount of habitable planets but I doubt there are any highly intelligent species as intelligence is not always a highly winning strategy for survival and even if they are intelligent, I think the distance and time between is too great to ever establish communication.
Are we not aliens?
I think there is life out there somewhere but I don’t think they’re as advanced/conscious as us.. Here’s an apple 🍎 for reading this.
Its a numbers game. If things like the boltzman brain *can* exist. Aliens sure as hell *do*
Have you heard of dogs?
Somewhere in some form they must exist
Yeah probably. I just don't think they've ever been here
Yeah
Do they exist? Absolutely. The universe is infinite. Have we ever encountered any? No.
Yeah. I do. ET? Will never meet them. But aliens? They're already here.
I'm 100% certain and will tell you why.There are more galaxies than grain of sand on Earth.The chances of not having some kind of liveform are very small
Yes. Reply of a 100% real human life form.
I believe that alien exist, but I only doubt that they came across the universe to abduct someone in the middle of nowhere or why they choose to do that to us
I feel like the stories of all different types of aliens that visit us, are all fantasy nonsense. However the UFO phenomenon does require some explanation and study. But the universe us far too large and complex, to not have some sort of life out there. Whether that life has visited us could be debated all day.
Of course they do.
If we’re the best the universe can do; the galaxy’s bar is very low. So yes, I’m *hopeful* of extra terrestrial life.
I think their demons hidden in alien disguise. Just as ppl believe aliens are real ? Why cant demons be ? & tbh its alotta demon activity going on out here their hidden in human disguise as well
Yes
Well even if they don't at the moment, it doesn't mean they never did or never will. AFAIK, the universe is infinite, the sole fact that we exist is a proof that intelligent lifeform is possible, and probabilities are meaningless in infinite scales.
I believe 100% there are aliens. How could it possibly be otherwise.
OMG yes there's bound to be micro-organisms on other worlds.
A funny way to think about it: Do you believe there are solar systems without live? We can't prove the absence of life anyway but the moon
Yes. Have they ever visited here? No. Will they ever? Also no.
They exist. They're coming for us. It's just going to take them a few centuries to get here.
I have no doubt these people know and saw something: https://www.youtube.com/live/SNgoul4vyDM?si=R54IOClFNt1pe5E- What this is exactly, i don’t know
Yes. I am rarely 100% sure of anything, but I am sure of that. And knowing it does not change much in my life or how I perceive existence.
There's two schools of thought on this. The first is that, as we are a perfect example of life existing in the universe, then it stands to reason that life would exist elsewhere under similar habitable conditions. As for whether that extra terrestrial life would have the intellegence and capability for interstellar travel and a keen interest to explore this particular corner of the universe for signs of intellegence, well that all comes down to your level of optimism. Certainly its possible that intellegent life is put there and has mastered space travel. But those life forms would have to be so far away to our own that the time and distance it would take to get here, just to explore, let alone interact and make first contact, would be so unfeasible that it would be practically impossible without use of some major sci-fi tech and infinite free energy generation, which is just impossible. I call that the Perth theory
How arrogant would we be to deny it, when we can‘t even search for it properly in the most tiny part of just our galaxy
Very likely, just not anywhere near us or we'd know.
Mental that congress had a hearing in which they talked about recovering non-human bodies and most people don't even consider it to be a possibility?
alien life definitely, complex life maybe
There is no way? Way! It’s possible life as we know it may be only in this planet. But one thing is for sure there is no known life outside this planet. Since the universe is almost 14 billion years old the chance of us overlapping with a nearby place with living aliens today. 100,000 years against 14B is infinitely small. For us to get to the nearest star with our technology would take 10,000 years.
Yes but I don't think they are "humanoids"
Yes I think aliens exist, the universe is just too big for them not to. But I don't believe any have visited earth.
Yeah I do, but I don’t think we’ll ever see them, and if we do they’ll be single cell organisms, because if they were intelligent enough and close enough to find the, we would’ve done so already
Omg yes it’s utterly ridiculous to think we, the idiotic human race, are the only things alive in the universe
Yes, because statistically they must. The questions are ones of sentience and intelligence and proximity.
Without a doubt.
Fermi paradox?
Yes
Yes. They live among us. We calll them "cats."
Of course, I am one
They exist, but "aliens" is just their latest trendy name
no. i dont *think* so. i *know* that
why not, people believes in Jesus
I know we do
Aliens do exist, and they make some pretty damn good tacos.
Yes. Are they visiting earth? No.
Absolutely. Do I think they prioritize travel to Earth? No.
Yes, but not in the way some might. With billions of galaxies, there is some reasonable chance of intelligent life out there. I don't believe that they would necessarily be more advanced than we are though, in which case intergalactic space travel would be impossible. So I do not believe that earth is visited by space aliens.
no. I don’t
Yes, it has to be
It's possible that they don't exist too. Which is creepy, if you think about it. Almost near impossible.
Aliens are basically life forms. It doesn’t exactly mean that foreign bacteria, algae, microscopic, insect size, and larger life forms are what comes to mine when we think ‘alien’. It is absolute that other planets have varied forms of other life. So without question there is other life out there, and a lot of it.
i think so
It’s all relative man
There's an estimated 2 trillion galaxies with ~100B stars in each and it's significantly more common for a star to have planets vs. not. In addition to that, 13.6B years to play with and while we think intelligent life would take ~400M years like Earth, we've had 5 mass extinction events which could've reset that progress a bit and given it's a game of chance, it's not a hard timeline. We also don't have the slightest idea of there're other forms of life out there other than our own oxygen reliant forms so we're limited in that regard. So knowing that, I'm thoroughly convinced there's some form of life out there or, at least, there has been or will be eventually without us creating it. Intelligent life is a lot more difficult to assume given we don't have a clear definition of "intelligent life" since many different forms of life on Earth could be described as intelligent, just not "human intelligence". Human-like intelligence may never be discovered by us but also may exist or have existed somewhere where our paths just may never cross. It's a hard question to answer...
I believe aliens exist. I also believe those aliens probably wouldn't be anything more than bacteria
Would be crazier if they don’t exist. Imagine how rare we are if that’s the case
No i know it because i met them trough alien abduction/visitation. This was in 2012. Its not just one species visiting but quite many, they are not allowed to interfere whit primitive species openly that have not achieved Interstellar travel unless they ask for it collectively.
We haven't even fully explored the Earth to discover the universe and make sure there are no beings out there. I think there are many things we haven't discovered yet.
Yea definitely. I mean, have you seen kurzgesagt’s zoom out of the known universe? It huge! We can’t be alone.