The pictures of galaxies and what not are real. They're just taken in wavelengths outside of the visible spectrum. They change the wavelengths from infrared or whatever into the visible colors.
Two thumbs down. As the narrator was talking about the voyager photo of Earth. Probably, the best photo of all time, he was reading Carl Sagans quote on it. Which is arguably the best quote about it. They just pause and said... yeah yeah I get it, boring.
I agree, such an inspiring quote that shows how much that little dot means to us, yet just so insignificant our affairs are compared to the universe. As someone who isn't religious, it's as close to a religious sermon can be to me. Sagan's words are hallowed.
The photos that your phones take are "just numbers" as well. you know that, right? that's how a digital sensor works. also about Aliens having different ways of thinking or different senses: yes, maybe (no way to know for sure currently) but from everything we know, whatever sensory organs they have, should still work according to the physics of the universe. Sure there could be things we don't yet know or understand but as of right now, there is nothing pointing in the direction of a different species totally getting around the laws of physics. Also what the video was talking about at that point was radio broadcasts and since we only started doing those like... maybe 100 years ago or something, they just didn't travel any further and as far as we know, the speed of light (actually the speed of causality) is the limit of how far anything can propagate in spacetime so... everything points to there not being any way of detecting and radio signals from us further away. About the "things moving away faster than the speed of light": The speed of light (the speed of causality really) is the speed limit for things moving through our universe. this speed limit does not apply to the expansion of the universe itself (that doesn't happen "inside" the universe, so to say). And about something having no mass: something that has no mass can move AT the speed of light, not faster. That's how electromagnetic waves (light for example, or radiowaves) travel. Also, how far those distances are is not entirely meaningless to us because depending on how technology develops, some of those places should theoretically be reachable (like Proxima Centauri maybe). Observing the Universe and phenomena far away help us understand the rules of our universe better which in term helps us to better apply our knowledge and develop our technologies. Also there is just the sheer wonder of discovery. The same drive that led people in ancient times to explore the world and discover new places. Oh btw: no scientist thinks that "there is nothing else out there" because there is literally EVERYTHING ELSE out there and they are researching it. They just for the most part don't expect to see intelligent aliens to show up anytime soon because, while possible, it is very unlikely with the huge distances in space and the huge timeframes involved.
Voyager 1's extended mission is expected to continue to return scientific data until at least 2025, with a maximum lifespan of until 2030. Its radioisotope thermoelectric generators (RTGs) may supply enough electric power to return engineering data until 2036.
I remember when the Viking won Viking two were launched I was in college Orange Coast College in 1977 and 76 and still going after all this time what is it 45 years and it’s still going it’s amazing if you’re not dumbfounded by that, I know what I don’t know what you can’t be dumbfounded by
Radio waves are radio waves. We didn’t invent them. So, technically we assume an intelligent civilization would figure out radio waves. That’s why he made that point. We’ve been sending radio signals for almost a century. And btw telescopes have cameras and do take pictures. But like someone else mentioned they have to use a variety of different cameras that use different types of light spectrums to render the photos. Also, they JUST found out about the galaxies move faster than the speed of light. They also just discovered that all electrons are the same single electron just a different time. Really hard to conceptualize but might explain how something could move faster than the speed of light. Just a thought and opinion lol
I think you misunderstood the comment about aliens......he was referring to the reach of transmitted radio signals being confined within that tiny space, so anything outside would not have received them.
The size comparison is just as impressive in reverse. Going from human scale down to the smallest things we know of is just as mind blowing. Our brains have evolved to deal with our everyday experiences. So, it`s pretty hard to wrap your mind around something as big as the universe or as small as the Planck Length. We can describe it fairly accurately with numbers and math, but numbers that big or that small have very little meaning in everyday experience.
Very true. When it comes to the universe and the sizes and distances involved, human comprehension (actual intuitive comprehension, not logically understanding mathematics) breaks down VERY quickly. Don't even have to leave our solar system for that. The thing is that the best measure we have for such enormous distances is the speed of light (speed of causality) which we have no intuitive concept for. As far as your everyday perception is concerned, light "propagates" instantenous, not with any speed your senses could perceive. Now if you think about it: Even the sun, which we can see every day, is so damn far away, that something that travels at that insane, imperceivable speed takes 8 MINUTES to get from there to us. That's not a distance any human has an intuitive understanding of.
16:45 The expansion of galaxies away from Earth faster than the speed of light isn’t because the galaxies themselves are moving through space that fast, but because space itself is expanding. Imagine dots on a balloon being blown up: as the balloon grows, the dots move away from each other because the surface (space) is stretching. In the universe, there’s no speed limit for how quickly space can expand, only for how fast objects can accelerate. This means distant galaxies appear to recede faster than light due to the stretching of the cosmic fabric, not their own speed through space. It’s a result of the universe’s ongoing expansion described by general relativity.
some of the photos you get are photos they literally use the same coloring they used on the cameras they just do it by hand basically and can choose what color to use to show different stuff , that's literally the same as a camera its just that it seems people don't know how cameras work
ACTUALLY both Voyager 1 and 2 carry items from Earth, like the golden record with sounds and images from Earth etc. Also the rate that space expands, from looking at Google a bit, at is ~67 km/s per 3,26 million light years distance. So it's not much compared to the massive distances of the universe but over time it becomes a lot. Rusty math that may not be true: That means that over the entire diameter of the 93 billion light years of the observable universe, space expands by: 1.911.679 km/s (93016*67/3,26) which of course is way more than the speed of light, so there is a barrier distance where light will stop being observable from points at one end, when looking towards one at the other end. I guess the reason why we can see to the edge of our observable universe is that we see 13,8 billion year old light (or whenever it began to become transparent for light to be sent out). The brain hurts.
Size does not equal significance. There's nothing frightful or depressing or negative about our size. We and our fellow animals are the most significant living beings in the universe, as far as we know. Yet. I think it's wonderful that the universe is so vast. I'd rather have an endless cosmic ocean to explore than realizing that it all ends at the boundaries of our own solar system. I mean, it will be a sad day for humanity, the day that we have explored everything and there's nothing new and intriguing to discover out there... It will be the death of curiosity. That day will leave our species with an empty feeling of lack of purpose. We have so many wonders still unimaginable to our tiny brains yet to discover. How is that not exciting and positive?
That’s correct it’s like the size of a record is information about our species and binary as music as a bunch of information on it and was launched 45 years ago
One thing this video misses, it doesn’t break down a light year. Imagine going around the earth 7 1/2 times in one second. If you maintain that speed until those seconds add up to a minute, then hour, then day, month and finally a year, that is 1 light year. It gives perspective on the size of our galaxy. Another clarification, Voyager 1 is traveling at 37,500 mph. A speeding bullet travels at about 2,700 mph. Voyager 1 is moving fast. The fact that it will not be out of our Oort Cloud for 30,000 years gives perspective, as well. Let’s talk Aliens. Of course, with the size of the universe there has to be other life out there. But they have not visited us, not once. First off, grey aliens were made up by a sci-fi writer in the 30’s. He created them by imagining what a human would look like long years in dark space. We would lose our pigmentation, lose our hair and fingernails, lose our muscle mass so our head would appear big, etc. Unless these aliens lived for a very long time, they would have to be from this galaxy. Traveling between galaxies is not possible. It is 2 million light years to the closest galaxy. Even if they had the technology to travel at the speed of light, it would take them 2 million years. Humanity probably won’t be here in 2 million years. Even if they were in our galaxy, they would need to hit a very specific timeframe. It is statistically very small. Space is too big, and humanity is too short. A lot of stars potentially have the same issue as this one, by the time life develops enough to travel into space, it doesn’t have a lot of time to perfect it. The majority of our suns life is over. But if someone does find us? They will probably not visit us because of germs. Same reason we wouldn’t be able to time travel very far. We build up immunity slowly. Look what happened when Europe came to America, and that was just across the sea. Let’s say these Aliens are super advanced, learned to navigate space, and live to be a billion years old. You think they come in peace? Everything in this universe (as far as we know) lives under the same rule: Survival of the fittest. The only reason the species that exist today is because they fought to survive. If these aliens are advanced enough for interstellar space travel, then they are likely at the top of their food chain. Which means they most likely participated in agriculture, factory farming, colonization, slavery, industrialization, theft, war, etc. They would need the resources. Nothing can take control of a planet, or planets to create something as complex an interstellar travel by asking nicely. If they are out there, let’s hope they don’t find us. It’s a nice fantasy to think there is some kind of advanced species that is going to save us from ourselves, but from microscopic bacteria, to the weather, to space, to every star. It’s all death. It’s mostly killing if it’s alive, too. So, based on that, unfortunately, I don’t think they will be much different from us.
The universe is certainly amazing in its scale, but even more stunning is the fact that we are closer in size to the largest thing we have ever seen, that is, to the observable universe, than to the smallest, the Planck length, which is considered the smallest possible length, and if the Planck length is increased to the size of If a person is 170 cm tall, this is the average height of a person in the world, then a person will be 205 million times larger than the observable universe.
Has he read or seen "Horton Hears a Who"? By Dr Seuss? It's a story about a tiny world inside a flower puff and the Elephant (Horton) who discovers and protects it.
The distance between objects can even be happening much slower than the speed of light, but because their movement is cumulative, the total distance at extreme ends of the known universe, would be moving faster than light.
I’ll try: the farther one goes from a certain point, the “larger” space becomes - that is: one kilometer on earth has not the same “size” as in a very distant place … that is why they call it “expansion”. The galaxies that passed beyond the edge of the observable universe don’t actually move away, but the space itself has a different “size” there - if we could instantly teleport ourselves there, than the observable universe would expand its limit looking from that reference point away. It could be said that the center of the universe is wherever the observer looks at it - so, practically, there is no center, everything is relative.
Think of the universe as a fishbowl. Everything inside the universe has to travel below the speed of light. But the fishbowl itself, space, can expand faster because it isn't bound to that law.
If you don’t think thinking about space is practical then that’s how we become the next dinosaur when another asteroid come and we can’t stop it, because we stopped caring or looking up. That’s more embarrassing than the dinosaurs considering we are suppose to be this smart species.
2 trillion is hard .. really hard to visualize. I can't wrap my brain around that. I see the size of 1 milky way Galaxy, but 2 trillion. 😂 Ok And there are ARE galaxies that are larger than ours. Andromeda is twice as big as ours and you can see it with your own eyes if you can find a nice dark space somewhere without city lights. And it's about 209 million LY away, but moving towards us. 😮
I feel all empty inside... I'm going to eat a biscuit... As for going faster than the speed of light; if something is moving away from us at the speed of light and we are moving at a million miles an hour away from them... hence faster than the speed of light.. btw poor you and your 0 problem, whats up with that??
@@TheNeonParadox That you can surpass the speed of light when you have no mass for example. Photons do not have mass, yet they are bound to travel at light speed.
@@niclasv8407 Perhaps I need to watch it again, but the only thing I heard her say about C is that bodies/clusters can travel away from us faster than C, which is true due to cosmic expansion. If she did say that about photons, though, then that was certainly incorrect. I must have missed it.
![Beyond the Observable Universe [4K]](http://i.ytimg.com/vi/mty0srmLhTk/mqdefault.jpg)
The pictures of galaxies and what not are real. They're just taken in wavelengths outside of the visible spectrum. They change the wavelengths from infrared or whatever into the visible colors.
Yeah it’s representing something it’s representing it. Of course it’s not real get over it.
@stevensprunger3422 if they didn't change the colors you wouldn't see anything. It's an actual image though.
Two thumbs down. As the narrator was talking about the voyager photo of Earth. Probably, the best photo of all time, he was reading Carl Sagans quote on it. Which is arguably the best quote about it. They just pause and said... yeah yeah I get it, boring.
This ☝🏽
Same disliked once she started talking shit😂
I agree, such an inspiring quote that shows how much that little dot means to us, yet just so insignificant our affairs are compared to the universe. As someone who isn't religious, it's as close to a religious sermon can be to me. Sagan's words are hallowed.
yep, ignorant people will will find that boring...maybe if michel bay did the video they would find it intresting...this is so sad.
The photos that your phones take are "just numbers" as well. you know that, right? that's how a digital sensor works.
also about Aliens having different ways of thinking or different senses: yes, maybe (no way to know for sure currently) but from everything we know, whatever sensory organs they have, should still work according to the physics of the universe. Sure there could be things we don't yet know or understand but as of right now, there is nothing pointing in the direction of a different species totally getting around the laws of physics. Also what the video was talking about at that point was radio broadcasts and since we only started doing those like... maybe 100 years ago or something, they just didn't travel any further and as far as we know, the speed of light (actually the speed of causality) is the limit of how far anything can propagate in spacetime so... everything points to there not being any way of detecting and radio signals from us further away.
About the "things moving away faster than the speed of light": The speed of light (the speed of causality really) is the speed limit for things moving through our universe. this speed limit does not apply to the expansion of the universe itself (that doesn't happen "inside" the universe, so to say). And about something having no mass: something that has no mass can move AT the speed of light, not faster. That's how electromagnetic waves (light for example, or radiowaves) travel.
Also, how far those distances are is not entirely meaningless to us because depending on how technology develops, some of those places should theoretically be reachable (like Proxima Centauri maybe). Observing the Universe and phenomena far away help us understand the rules of our universe better which in term helps us to better apply our knowledge and develop our technologies. Also there is just the sheer wonder of discovery. The same drive that led people in ancient times to explore the world and discover new places.
Oh btw: no scientist thinks that "there is nothing else out there" because there is literally EVERYTHING ELSE out there and they are researching it. They just for the most part don't expect to see intelligent aliens to show up anytime soon because, while possible, it is very unlikely with the huge distances in space and the huge timeframes involved.
It was launched in 1977. We are still in contact, but I gather the power supply is supposed to run out in 2025.
Voyager 1's extended mission is expected to continue to return scientific data until at least 2025, with a maximum lifespan of until 2030. Its radioisotope thermoelectric generators (RTGs) may supply enough electric power to return engineering data until 2036.
I remember when the Viking won Viking two were launched I was in college Orange Coast College in 1977 and 76 and still going after all this time what is it 45 years and it’s still going it’s amazing if you’re not dumbfounded by that, I know what I don’t know what you can’t be dumbfounded by
@@stevensprunger3422 I was 8 but was aware of it since I loved space and airplanes and stuff
Radio waves are radio waves. We didn’t invent them. So, technically we assume an intelligent civilization would figure out radio waves. That’s why he made that point. We’ve been sending radio signals for almost a century.
And btw telescopes have cameras and do take pictures. But like someone else mentioned they have to use a variety of different cameras that use different types of light spectrums to render the photos.
Also, they JUST found out about the galaxies move faster than the speed of light. They also just discovered that all electrons are the same single electron just a different time. Really hard to conceptualize but might explain how something could move faster than the speed of light. Just a thought and opinion lol
I think you misunderstood the comment about aliens......he was referring to the reach of transmitted radio signals being confined within that tiny space, so anything outside would not have received them.
Oh, you are probably right! Good point.
True, but they already know we are here, they are far superiour.
@@wiseomg what?
@@jaydunna2645 Can`t you read?
@@wiseomg your comment made no sense in this context and addressed nothing.
Does your brain not work properly?
The size comparison is just as impressive in reverse. Going from human scale down to the smallest things we know of is just as mind blowing.
Our brains have evolved to deal with our everyday experiences. So, it`s pretty hard to wrap your mind around something as big as the universe or as small as the Planck Length. We can describe it fairly accurately with numbers and math, but numbers that big or that small have very little meaning in everyday experience.
Very true. When it comes to the universe and the sizes and distances involved, human comprehension (actual intuitive comprehension, not logically understanding mathematics) breaks down VERY quickly. Don't even have to leave our solar system for that. The thing is that the best measure we have for such enormous distances is the speed of light (speed of causality) which we have no intuitive concept for. As far as your everyday perception is concerned, light "propagates" instantenous, not with any speed your senses could perceive. Now if you think about it: Even the sun, which we can see every day, is so damn far away, that something that travels at that insane, imperceivable speed takes 8 MINUTES to get from there to us. That's not a distance any human has an intuitive understanding of.
16:45 The expansion of galaxies away from Earth faster than the speed of light isn’t because the galaxies themselves are moving through space that fast, but because space itself is expanding. Imagine dots on a balloon being blown up: as the balloon grows, the dots move away from each other because the surface (space) is stretching. In the universe, there’s no speed limit for how quickly space can expand, only for how fast objects can accelerate. This means distant galaxies appear to recede faster than light due to the stretching of the cosmic fabric, not their own speed through space. It’s a result of the universe’s ongoing expansion described by general relativity.
some of the photos you get are photos they literally use the same coloring they used on the cameras they just do it by hand basically and can choose what color to use to show different stuff , that's literally the same as a camera its just that it seems people don't know how cameras work
ACTUALLY both Voyager 1 and 2 carry items from Earth, like the golden record with sounds and images from Earth etc.
Also the rate that space expands, from looking at Google a bit, at is ~67 km/s per 3,26 million light years distance. So it's not much compared to the massive distances of the universe but over time it becomes a lot.
Rusty math that may not be true: That means that over the entire diameter of the 93 billion light years of the observable universe, space expands by: 1.911.679 km/s (93016*67/3,26) which of course is way more than the speed of light, so there is a barrier distance where light will stop being observable from points at one end, when looking towards one at the other end.
I guess the reason why we can see to the edge of our observable universe is that we see 13,8 billion year old light (or whenever it began to become transparent for light to be sent out).
The brain hurts.
Size does not equal significance. There's nothing frightful or depressing or negative about our size. We and our fellow animals are the most significant living beings in the universe, as far as we know. Yet. I think it's wonderful that the universe is so vast. I'd rather have an endless cosmic ocean to explore than realizing that it all ends at the boundaries of our own solar system. I mean, it will be a sad day for humanity, the day that we have explored everything and there's nothing new and intriguing to discover out there... It will be the death of curiosity. That day will leave our species with an empty feeling of lack of purpose.
We have so many wonders still unimaginable to our tiny brains yet to discover. How is that not exciting and positive?
He's right. Voyager has a disk with information about Earth and humanity.
That’s correct it’s like the size of a record is information about our species and binary as music as a bunch of information on it and was launched 45 years ago
If two bodies move in opposite directions at the SOL the resulting relative velocity is 2x the speed of light.
Thank you!!
One thing this video misses, it doesn’t break down a light year. Imagine going around the earth 7 1/2 times in one second. If you maintain that speed until those seconds add up to a minute, then hour, then day, month and finally a year, that is 1 light year. It gives perspective on the size of our galaxy.
Another clarification, Voyager 1 is traveling at 37,500 mph. A speeding bullet travels at about 2,700 mph. Voyager 1 is moving fast. The fact that it will not be out of our Oort Cloud for 30,000 years gives perspective, as well.
Let’s talk Aliens. Of course, with the size of the universe there has to be other life out there. But they have not visited us, not once.
First off, grey aliens were made up by a sci-fi writer in the 30’s. He created them by imagining what a human would look like long years in dark space. We would lose our pigmentation, lose our hair and fingernails, lose our muscle mass so our head would appear big, etc.
Unless these aliens lived for a very long time, they would have to be from this galaxy. Traveling between galaxies is not possible. It is 2 million light years to the closest galaxy. Even if they had the technology to travel at the speed of light, it would take them 2 million years. Humanity probably won’t be here in 2 million years. Even if they were in our galaxy, they would need to hit a very specific timeframe. It is statistically very small. Space is too big, and humanity is too short.
A lot of stars potentially have the same issue as this one, by the time life develops enough to travel into space, it doesn’t have a lot of time to perfect it. The majority of our suns life is over. But if someone does find us? They will probably not visit us because of germs. Same reason we wouldn’t be able to time travel very far. We build up immunity slowly. Look what happened when Europe came to America, and that was just across the sea. Let’s say these Aliens are super advanced, learned to navigate space, and live to be a billion years old.
You think they come in peace? Everything in this universe (as far as we know) lives under the same rule: Survival of the fittest. The only reason the species that exist today is because they fought to survive. If these aliens are advanced enough for interstellar space travel, then they are likely at the top of their food chain. Which means they most likely participated in agriculture, factory farming, colonization, slavery, industrialization, theft, war, etc. They would need the resources. Nothing can take control of a planet, or planets to create something as complex an interstellar travel by asking nicely. If they are out there, let’s hope they don’t find us.
It’s a nice fantasy to think there is some kind of advanced species that is going to save us from ourselves, but from microscopic bacteria, to the weather, to space, to every star. It’s all death. It’s mostly killing if it’s alive, too. So, based on that, unfortunately, I don’t think they will be much different from us.
The universe is certainly amazing in its scale, but even more stunning is the fact that we are closer in size to the largest thing we have ever seen, that is, to the observable universe, than to the smallest, the Planck length, which is considered the smallest possible length, and if the Planck length is increased to the size of If a person is 170 cm tall, this is the average height of a person in the world, then a person will be 205 million times larger than the observable universe.
7:55 he was reading a quote by Carl sagan
Has he read or seen "Horton Hears a Who"? By Dr Seuss? It's a story about a tiny world inside a flower puff and the Elephant (Horton) who discovers and protects it.
Nothing can move faster than light only applies to things with mass.
Interesting Video, i like those kind of reaction videos.
Your gf is so sweeeet😊
Best wishes from germany 🌴
The distance between objects can even be happening much slower than the speed of light, but because their movement is cumulative, the total distance at extreme ends of the known universe, would be moving faster than light.
A light bulb vs Pluto yes that’s impressive lmao
If you haven't seen it, the movie Contact is worth a watch.
I’ll try: the farther one goes from a certain point, the “larger” space becomes - that is: one kilometer on earth has not the same “size” as in a very distant place … that is why they call it “expansion”. The galaxies that passed beyond the edge of the observable universe don’t actually move away, but the space itself has a different “size” there - if we could instantly teleport ourselves there, than the observable universe would expand its limit looking from that reference point away. It could be said that the center of the universe is wherever the observer looks at it - so, practically, there is no center, everything is relative.
This is wrong
That's the point of the video. These numbers are not compatible from our point of view
Think of the universe as a fishbowl. Everything inside the universe has to travel below the speed of light. But the fishbowl itself, space, can expand faster because it isn't bound to that law.
If you don’t think thinking about space is practical then that’s how we become the next dinosaur when another asteroid come and we can’t stop it, because we stopped caring or looking up. That’s more embarrassing than the dinosaurs considering we are suppose to be this smart species.
It doesn’t matter if Pluto is small…but compared to a light bulb? Come on now
2 trillion is hard .. really hard to visualize. I can't wrap my brain around that. I see the size of 1 milky way Galaxy, but 2 trillion. 😂 Ok And there are ARE galaxies that are larger than ours. Andromeda is twice as big as ours and you can see it with your own eyes if you can find a nice dark space somewhere without city lights. And it's about 209 million LY away, but moving towards us. 😮
You might find Star Talk interesting.
first time I see a reactor understands and could explain things before the video explained!!
Please react to "Timelapse of the future: a journey to the end of time"
For the algorithm. Great reaction.
I feel all empty inside... I'm going to eat a biscuit... As for going faster than the speed of light; if something is moving away from us at the speed of light and we are moving at a million miles an hour away from them... hence faster than the speed of light.. btw poor you and your 0 problem, whats up with that??
I DON'T THINK YOUR GIRL FRIEND GETS IT.. SHE DOUBTS TO MUCH..
Aside from being wrong about the Voyager probes, what did she say that wasn't correct?
@@TheNeonParadox That you can surpass the speed of light when you have no mass for example. Photons do not have mass, yet they are bound to travel at light speed.
@@niclasv8407 Perhaps I need to watch it again, but the only thing I heard her say about C is that bodies/clusters can travel away from us faster than C, which is true due to cosmic expansion. If she did say that about photons, though, then that was certainly incorrect. I must have missed it.
YOU HAVE TO BE SMART TO UNDERSTAND.. STICK TO YOUR MONIES