1:51 "Black holes got pushed into one plane." With orbital mechanics and conservation of angular momentum, I can see how that would happen. But the real question is, how did they get through airport security?
Here's a funny idea: It might vary depending on the time of their year. If their night side was facing the galactic center, it's possible that it would be so bright as to effectively still be daytime; even if they were facing away, they'd have a sky like what we'd see if every star in OUR sky was as bright as Venus. But life? Probably not- such close proximity to other stars, their radiation and the energy from supernovas, would probably give life a really hard time.
The amount of radiation there would destroy DNA as we know it. I cannot imagine what else you could make something like DNA out of that wouldn't be torn apart by the levels of x-rays and gamma Ray's saturating the galactic center.
Woah, never really noticed the intro on SciShow Space. I actually really like it in that 3D style, even though it differs from the other SciShow intros. Oh and nice video lol
Every time I watch things like this I get dizzy at trying to comprehend the vastness of space. It really is mind boggling. Apparently the sky we can see with the naked eye represents a small circle on the edge of the Milky Way galaxy. Another interesting fact is that some astronomers aimed a telescope at one of the darkest patches in the night sky, the size of a small dot in the sky, and found that it contains millions of galaxies. Galaxies, not stars. I have no doubt that the universe is filled with life, and civilisations, but that we are all far too far apart from each other to ever have a chance of finding each other. This does not even take into account the time issues. The earth has been around for 4.6 billion years, the universe for 13.7. Humans have been capable of transmitting and receiving radio signals for 100 years or so. It's not just a question of aiming our signals and receivers at the right star system out of all the uncountable possible star systems that exist, but also doing it at the right time, that narrow window in which a civilisation could possibly have existed capable of sending out signals. What are the odds that we are pointing it at the right system at the right time? Those signals may have already passed us by millions or billions of years ago, or they may never reach us because the space in between us is expanding faster than the signal can travel. I doubt we will ever find other advanced life.
To add to that, I think it's quite silly to think that advanced civilizations would rely on radio waves for communication. They would have needed to send the signal long before we even existed for it to reach us now, and assuming it hasn't been a constant broadcast, time it perfectly with our development, which they would have no idea about.
There aren't any black holes with masses like the Sun's. The minimum mass requirement for black hole creation starts at 4x the Sun's mass. It's not an order of magnitude, but it is significantly larger.
Amateur here, but I'd have thought it fairly obvious that black holes with masses in the same ranges as large stars would behave similarly to those large stars, in terms of how they move thanks to gravity. A black hole with mass X has the same gravitational effects as a star of mass X at any point further from the centre than the star's radius. The density of the object only matters once you get close.
Perhaps they can use the mini flash as an indicator as to direct obversations to the main event, for LIGO and other detectors. Athough, of course, LIGO doesnt need to be aimed.
*_...no mention of what that horde of black holes does to larger stars settling toward the galactic core hole-10k 6 mi. dia. holes plowing-through-ripping-up 10⁶ mi. dia. giants…_*
Ok so he quoted that a certain supernova shines brighter than it's solar system, and several times I have been out and about in the darkest of hours, I have seen the night sky completely light up for milliseconds. It looked like the stars all flashed at the same exact time. And I've seen this SEVERAL times over my life, not just that one occasion. So, I'm thinking those flashes could of been a supernova?
I’ve always wondered what happens to a neutron star that’s rotation exceeds its gravity’s ability to hold it together (I’ve watched some videos about pulsars that rotate so quickly they’re actually wider at the equator) If it fly’s apart, what elements would result? Could we find neutron star clumps floating around
From my understanding neutrons decay if they aren't paired with anything to stabilize them, so you can't find pure neutronic matter outside of areas with extreme pressure where they are kept together by extreme gravity such as a neutron star. So to answer your question, it would just decay into radiation when it flies off of the neutron star.
I do believe there's a type of black hole that forms when a neutron star is spinning so fast that it bulges out, just a little beyond the critical radius to collapse, a Blitzar. I don't think a neutron star can spin fast enough to fall apart though. Maybe if it was nearing the speed of light or something... But if one did, I imagine it would be like firing a shotgun at a swarm of bugs, planets getting drilled left and right by ultra-dense, near-light speed projectiles across the galaxy.
Before The Lightning I’ve heard it mentioned on this channel that there are neutron stars observed that are close to the rotation speed it would take to fly apart So it’s this very channel making me wonder this It’s only logical that it could only hold together to a certain point
I mean, it sounds possible, just unreasonable... The initial formation conditions would have to be extreme, I think. Perhaps a hyper-giant star, already spinning fast (which may be why it's so big to begin with) then collapsing with the rotational momentum being conserved as it collapses into the Neutron star, which then brings it's outer layers near the speed of light. The problem is, would that be enough? Would a neutron star break at those speeds?
So maybe it's like moons pulled towards planets. Pulling in more and more stuff until it gets so big it pulls everything in then starts fusing. Maybe the sun is the center of everything. Giving off energy that it consumes. Like here on earth the sun grows plants that decay into soil. At the same time water vapor might be pulled way by that energy being given off by the sun. At the same time the earth might pull stuff into it's atmosphere.
I wonder if this flash is due to the sudden, and catastrophic, restructuring of the star's magnetic field as the core collapses immediately before the out layers decompress. I imagine the quick and violent change in matter of a collapsing core causing all sorts of havoc with a stars magnetic field. Considering that, I wonder what would happen to a star if its field were artificially stabilized throughout, and after, the transition.
Does this mean there is some absolutely massive place out there in the universe where all the blackholes are slowly collecting and amassing? Like how smaller blackholes are thought to move towards the galactic core as they interact with other things etc, does this mean all the galaxies of the universe are also, slowly filtering down towards this central point? That surely must be an insane swarm of blackholes surrounding the largest one in existence? Which in turn, is slowly absorbing everything as it smashes galaxies apart, and growing and growing..... My bet, when a blackhole reaches a sufficent mass, it explodes like what we think of as "the big bang". I bet the universe is so unbelieveably massive that in relation, it's just a localized event. :P
The thing about a black hole - it's main distinguishing feature - is it's black. And the thing about space, your basic space colour, is it’s black. So how are you supposed to see them?
There are no theoretical limits on how 'small' a black hole can be, but there is a theoretical limit on how massive one can be. Although there is no theoretical limit on how small one can be, there are size limits to the stars that can become a black hole.... As there is no known mechanism for creating black holes other than star collapse, there is a theoretical limit on how small a black hole can be created. According to the late Dr. Stephen Hawking, 'virtual' particle pairs are created near the event horizon and can be ejected radially along the poles of rotating singularities. We have already observed X-rays emitting from what we believe are black holes, and awarded Hawking for his predictions. As no such dark matter / dark energy has been observed, the race is on to explain the unorthodox rotation of galaxies and other-than-expected rate of expansion. Quantum Mechanics is boasted to be the most powerfully predictive tool Science has...but it doesn't predict very much at all.
As an expert armchair physicist, I reason the flash is likely due to a Decrease in energy emission from the dying star, thereby exponentially decreasing the force exerted on the surrounding gas cloud allowing low-velocity material to uniformly slam into the surface of the star and producing a flash that blasts inward and outward, illuminating the rest of the gas cloud and kicking a final spark into the supernova main explosion at time of neutron star formation. Note: not an expert armchair mathematician.
Possibly. There are "dwarf galaxies," quite a few of which are in orbit within our local cluster, though one may argue it's more of a technicality to call them a galaxy and its outside the bounds of your question. Some globular galaxies may not have such large black holes in their center.
I'm just gonna suggest something that sounds crazy just cuz I want to hear people's response it: Maybe some supermassive black holes are leftover remnants from a previous universe that existed before our current universe. I don't know how we would go about proving this, but it'd be neat if it was true.
batmanfanforever08 what do you mean? What would make such a "previous universe" a different universe than ours, rather than just the past of ours, while also having ours have the things in it that the previous one had? My impression is that when people talk about a "different universe" they usually mean that there isn't a normal path through space time from one the other (like, maybe there could be a special path through a wormhole or whatever, but not a normal path like there is better earth and the center of j. Random Galaxy). Can you elaborate on what you mean?
Question for any competent person: So... I know mathematically we proved black holes and we also think we seen them (more accurately their effects on their surroundings) BUT does the scientific community all agree they are real; like in the same since as knowing without doubt that we need oxygen to breathe?
The excessive movement of his hands was a bit annoying - I was reminded of the Mitchell and Webb Look "Wavy Hands" comedy sketch, where the historian waves his hands so much that the director tries all sorts of ways to try to get him to stop moving his hands
I have a question to throw out there: What do you call heat loss which is other than radiative heat loss? I'm asking this question because folk have been using, 'radiative heat loss' to describe heat loss in space as if it is an accelerated form of heat loss.. The facts is that all heat loss is radiative, just as all heat gain is also radiative heat gain. If heat loss occurs using the radiative acceleration of conduction or convection then that is more properly described as accelerated, radiative heat loss. In other words, when you hear, 'radiative heat loss', read; heat loss. By the same token, when you hear, 'deep space', probs they are taking about cis lunar space and not deep space. One more thing: 4k space is the same as infinitive hot space. Assigning a temperature to nothing is silly. For, '4k space', read; space. Thoughts?
I probably shouldn't have generalized that. If everyone focuses their black hole searches on a disk, they'll "prove" the hypothesis even if it's wrong, by finding mostly black holes in that disk area, with very few elsewhere.
In introduction to orbital physics one will learn Force of gravity = G m1 m2/R^2. That is, multiply your masses, times the relatively small gravitation constant, divide by the distance squares, and there you have it, force of gravity. So why would a black hole with mass similar to the sun exert any more gravity?
Black holes don't actually have more gravity than a star of similar mass, it's just that you can get a lot closer to the center of a black hole than you can the center of a star. A black hole with the mass of the sun would have a radius of just 3 km, compared to the sun's radius of 695,508 km. If the sun were replaced with a black hole of the same mass, the orbits of the planets would remain unchanged, but the force of gravity would continue to increase as you got closer than the 695,508 km, where you would previously hit the sun.
For the supernova flash, "The group from the University of Chile (UC), the Millennium Institute of Astrophysics (MAS) and other institutions made the discovery after scanning the sky for 14 nights using the DECam instrument on the Victor Blanco Telescope at the Cerro Tololo Inter-American Observatory in Chile." www.newsweek.com/astronomers-catch-glimpse-what-happens-just-violent-death-star-1110957
They are made from really big stars, which are mostly hydrogen, fusing hydrogen into heavier and heavier elements until iron. Iron takes more energy to fuse than it creates so fusion stops. Without fusion pushing everything out, all that hydrogen and everything else collapses in, due to gravity, into a single tiny point, a singularity.
Seriously guys, what about that hole in the Soyuz, you just keep ignoring it. You're one of the very few folks unbiased enough to end most of the speculations.
Scott Manley is good but it's more of a nerd stuff while SciShow is more mainstream. It's just weird how they cover regular EVAs but refuse to even mention probably a single most mysterious accident in the ISS history.
I wath sci show probably every day. So there I am listening to NPR as they were talking about a book written by Hanks brother how did I not know that Hanks brother wrote one of my favorite books.
Yes that is a massive amount of gas but it doesn't even compare to the amount of gas that is expelled after i eat a whole crave case of sliders from Whitecastle.
that's pretty much been ruled out, the majority of matter is dark matter so if it was all (or just mostly) black holes the effects of such would be fairly obvious and potentially catastrophic. even if they were small.
I suspect black holes to be a component of the missing matter problem. These old "primordial black holes" might start chipping away at the 70% of matter unaccounted for, perhaps alongside sterile neutrinos and other options.
You didnt pay attention! A supernova appears when something bounce off.....When a black hole formes nothing will bounce off....Its a hole man ! It goes in.
Hey, these are my colleagues who authored the first paper you mentioned!!
1:51 "Black holes got pushed into one plane." With orbital mechanics and conservation of angular momentum, I can see how that would happen. But the real question is, how did they get through airport security?
They snuck it under the turbo encabulator
They didn't. They rode bicycles instead.
@@adamdanes346
On pre-famulated amulite roads
No. Bad space nerd! NO!
Master Therion you're the Justin Y. Of science channels
Of course black holes are hard to see because they are black now if it was a white hole that would be diffrent.
Could there be habitable planets , even life, in the galactic center?
What would the night sky look like?
Here's a funny idea: It might vary depending on the time of their year. If their night side was facing the galactic center, it's possible that it would be so bright as to effectively still be daytime; even if they were facing away, they'd have a sky like what we'd see if every star in OUR sky was as bright as Venus.
But life? Probably not- such close proximity to other stars, their radiation and the energy from supernovas, would probably give life a really hard time.
No. Too much stellar activity, too many close-encounters/collisions, too much radiation.
If you could live there, there would be no night.
I doubt it's completely impossible but it's a lousy neighborhood.
The amount of radiation there would destroy DNA as we know it. I cannot imagine what else you could make something like DNA out of that wouldn't be torn apart by the levels of x-rays and gamma Ray's saturating the galactic center.
@@jbtownsend9535 or creatures like elephants or dolphins? They are, in their own ways, intelligent enough to have distinct cultural groups.
Ii really thought he was going to say "that's a lot of damage"!
If you're going to put a perfectly good telescope in chile, you should at least serve it over fries.
Woah, never really noticed the intro on SciShow Space. I actually really like it in that 3D style, even though it differs from the other SciShow intros.
Oh and nice video lol
Every time I watch things like this I get dizzy at trying to comprehend the vastness of space. It really is mind boggling. Apparently the sky we can see with the naked eye represents a small circle on the edge of the Milky Way galaxy. Another interesting fact is that some astronomers aimed a telescope at one of the darkest patches in the night sky, the size of a small dot in the sky, and found that it contains millions of galaxies. Galaxies, not stars. I have no doubt that the universe is filled with life, and civilisations, but that we are all far too far apart from each other to ever have a chance of finding each other.
This does not even take into account the time issues. The earth has been around for 4.6 billion years, the universe for 13.7. Humans have been capable of transmitting and receiving radio signals for 100 years or so. It's not just a question of aiming our signals and receivers at the right star system out of all the uncountable possible star systems that exist, but also doing it at the right time, that narrow window in which a civilisation could possibly have existed capable of sending out signals. What are the odds that we are pointing it at the right system at the right time? Those signals may have already passed us by millions or billions of years ago, or they may never reach us because the space in between us is expanding faster than the signal can travel. I doubt we will ever find other advanced life.
To add to that, I think it's quite silly to think that advanced civilizations would rely on radio waves for communication. They would have needed to send the signal long before we even existed for it to reach us now, and assuming it hasn't been a constant broadcast, time it perfectly with our development, which they would have no idea about.
I thought we already established there is gas, black holes, AND a ring, around Uranus. Can we get some real news around here?!
2:21 Supernovae*
This guy is the Chuck Woolery of RUclips. He hosts every show
Thank god hank is narrating!!!
Michael Exman I auto downvote and close any video that stupid ugly girl is doing.
There aren't any black holes with masses like the Sun's. The minimum mass requirement for black hole creation starts at 4x the Sun's mass. It's not an order of magnitude, but it is significantly larger.
That's a stellar mass black hole. Micro black holes are hypothesized but none have been recorded so you are correct, in a sense.
Stan GreyJoy, no black holes have been detected, ever.
Amateur here, but I'd have thought it fairly obvious that black holes with masses in the same ranges as large stars would behave similarly to those large stars, in terms of how they move thanks to gravity.
A black hole with mass X has the same gravitational effects as a star of mass X at any point further from the centre than the star's radius. The density of the object only matters once you get close.
Hope your cold gets better soon Hank
Hey Hank, did you stand in the sun for 5 minutes? You look all sunburnt! 😆
Pastey Gangstah
damn, space is awesome
It’s just great that we know about stars, supernovas and black holes without ever going and exploring it
Perhaps they can use the mini flash as an indicator as to direct obversations to the main event, for LIGO and other detectors. Athough, of course, LIGO doesnt need to be aimed.
*_...no mention of what that horde of black holes does to larger stars settling toward the galactic core hole-10k 6 mi. dia. holes plowing-through-ripping-up 10⁶ mi. dia. giants…_*
Ok so he quoted that a certain supernova shines brighter than it's solar system, and several times I have been out and about in the darkest of hours, I have seen the night sky completely light up for milliseconds. It looked like the stars all flashed at the same exact time. And I've seen this SEVERAL times over my life, not just that one occasion. So, I'm thinking those flashes could of been a supernova?
Outstanding (as always)
In other black hole news .... Is an awesome phrase.
I’ve always wondered what happens to a neutron star that’s rotation exceeds its gravity’s ability to hold it together (I’ve watched some videos about pulsars that rotate so quickly they’re actually wider at the equator)
If it fly’s apart, what elements would result? Could we find neutron star clumps floating around
From my understanding neutrons decay if they aren't paired with anything to stabilize them, so you can't find pure neutronic matter outside of areas with extreme pressure where they are kept together by extreme gravity such as a neutron star. So to answer your question, it would just decay into radiation when it flies off of the neutron star.
The Earth is wider at the equator.
I do believe there's a type of black hole that forms when a neutron star is spinning so fast that it bulges out, just a little beyond the critical radius to collapse, a Blitzar. I don't think a neutron star can spin fast enough to fall apart though. Maybe if it was nearing the speed of light or something...
But if one did, I imagine it would be like firing a shotgun at a swarm of bugs, planets getting drilled left and right by ultra-dense, near-light speed projectiles across the galaxy.
Before The Lightning I’ve heard it mentioned on this channel that there are neutron stars observed that are close to the rotation speed it would take to fly apart
So it’s this very channel making me wonder this
It’s only logical that it could only hold together to a certain point
I mean, it sounds possible, just unreasonable... The initial formation conditions would have to be extreme, I think. Perhaps a hyper-giant star, already spinning fast (which may be why it's so big to begin with) then collapsing with the rotational momentum being conserved as it collapses into the Neutron star, which then brings it's outer layers near the speed of light. The problem is, would that be enough? Would a neutron star break at those speeds?
So maybe it's like moons pulled towards planets. Pulling in more and more stuff until it gets so big it pulls everything in then starts fusing. Maybe the sun is the center of everything. Giving off energy that it consumes. Like here on earth the sun grows plants that decay into soil. At the same time water vapor might be pulled way by that energy being given off by the sun. At the same time the earth might pull stuff into it's atmosphere.
Good to see ya back hank hope you enjoyrd your holiday? Haahaa
I wonder if this flash is due to the sudden, and catastrophic, restructuring of the star's magnetic field as the core collapses immediately before the out layers decompress. I imagine the quick and violent change in matter of a collapsing core causing all sorts of havoc with a stars magnetic field. Considering that, I wonder what would happen to a star if its field were artificially stabilized throughout, and after, the transition.
Surprise, surprise, the largest sources of gravitational attraction are gravitationally attracted together.
Hank for President!
Does this mean there is some absolutely massive place out there in the universe where all the blackholes are slowly collecting and amassing? Like how smaller blackholes are thought to move towards the galactic core as they interact with other things etc, does this mean all the galaxies of the universe are also, slowly filtering down towards this central point? That surely must be an insane swarm of blackholes surrounding the largest one in existence? Which in turn, is slowly absorbing everything as it smashes galaxies apart, and growing and growing.....
My bet, when a blackhole reaches a sufficent mass, it explodes like what we think of as "the big bang". I bet the universe is so unbelieveably massive that in relation, it's just a localized event. :P
That is a lot of matter that is dark.
so, the black holes are like planets and the stars around them are like the asteroids & other debris in a solar system model?
Is this the alternative explanation to the "hidden mass" of the universe rather than dark matter?
so basically the astronomical equivalent of a star lighting its own fart @4:00
I feel like I watch this already months ago on PBS spacetime
First video I watch on this channel. Is there always a lot of puns in the comment section?
The thing about a black hole - it's main distinguishing feature - is it's black. And the thing about space, your basic space colour, is it’s black. So how are you supposed to see them?
You're just supposed to "believe" in them. Black holes are just as real as unicorns.
He discusses this in the video if you had watched it. We can watch them eat stars, bend light around them, etc.
t00by00zer what? Lol
So you’re saying we need better binoculars in order to get flashed?
Nice hair Hank
There are no theoretical limits on how 'small' a black hole can be, but there is a theoretical limit on how massive one can be. Although there is no theoretical limit on how small one can be, there are size limits to the stars that can become a black hole.... As there is no known mechanism for creating black holes other than star collapse, there is a theoretical limit on how small a black hole can be created.
According to the late Dr. Stephen Hawking, 'virtual' particle pairs are created near the event horizon and can be ejected radially along the poles of rotating singularities. We have already observed X-rays emitting from what we believe are black holes, and awarded Hawking for his predictions.
As no such dark matter / dark energy has been observed, the race is on to explain the unorthodox rotation of galaxies and other-than-expected rate of expansion. Quantum Mechanics is boasted to be the most powerfully predictive tool Science has...but it doesn't predict very much at all.
and the moon "may" have a creamy caramel center....it may......you dont know.
cid hobbs I am still hoping for the cheese in the moon.
and taste way better too!!!
How many great super guys are working on this instead of something that effects us? We need to fix so much here on earth before we go of earth.
Is a star a living thing?
Supernovae, please.
Don't some Black hole born out of unnova? Does UnNova create explosion? Or is it implosion?
Could this explain the missing mass problem of galaxies? Or perhaps explain dark matter?
Does iPhone work or will work on space?
Maybe it'd be cool if we could get our sun to act like an intergalactic spaceship that could soar from galaxy to galaxy with our solar system in tow.
As an expert armchair physicist, I reason the flash is likely due to a Decrease in energy emission from the dying star, thereby exponentially decreasing the force exerted on the surrounding gas cloud allowing low-velocity material to uniformly slam into the surface of the star and producing a flash that blasts inward and outward, illuminating the rest of the gas cloud and kicking a final spark into the supernova main explosion at time of neutron star formation. Note: not an expert armchair mathematician.
Armchair physicist...love it
So maybe the flash is caused by compressive heating before the glow-plug ignites the fuel-air mix...wait, what were we talking about?
Are there any galaxies without a supermassive black hole?, if so, how did they form?
Possibly. There are "dwarf galaxies," quite a few of which are in orbit within our local cluster, though one may argue it's more of a technicality to call them a galaxy and its outside the bounds of your question.
Some globular galaxies may not have such large black holes in their center.
I'm just gonna suggest something that sounds crazy just cuz I want to hear people's response it:
Maybe some supermassive black holes are leftover remnants from a previous universe that existed before our current universe. I don't know how we would go about proving this, but it'd be neat if it was true.
batmanfanforever08 what do you mean? What would make such a "previous universe" a different universe than ours, rather than just the past of ours, while also having ours have the things in it that the previous one had?
My impression is that when people talk about a "different universe" they usually mean that there isn't a normal path through space time from one the other (like, maybe there could be a special path through a wormhole or whatever, but not a normal path like there is better earth and the center of j. Random Galaxy).
Can you elaborate on what you mean?
Why don't you research the cyclical/oscillating multiverse?
Here: en.wikipedia.org/wiki/Cyclic_model
@@JeremyWS Half baked my dude
What would we see if an asteroid/meteorite hit the Moon? Would we be affected?
How much of a star actually becomes a black hole?
I wanna see a video on the size the first star in the universe
We did do one about very early stars! ruclips.net/video/NeEgzrUW9Uk/видео.html
Can gravity escape ? Is gravity faster than light ? Is Entanglement phenomena gravity related transmission ? Tampons ?
That's a lot of gas
so the universe is flashing it's black holes...nice
It's so weird to see him from the stomach up instead of chest up.
So... I guess that proves it. Stars really do explode when the paparazzi start taking pictures.
Just like my buddy: he pre flashes just before he explodes.
Question for any competent person:
So... I know mathematically we proved black holes and we also think we seen them (more accurately their effects on their surroundings) BUT does the scientific community all agree they are real; like in the same since as knowing without doubt that we need oxygen to breathe?
Love your stuff. But I found the heavy use of text overlays in this vid really distracting. Just my opinion.
Where's the blooper reel with all the fart jokes?
www.patreon.com/scishow
The excessive movement of his hands was a bit annoying - I was reminded of the Mitchell and Webb Look "Wavy Hands" comedy sketch, where the historian waves his hands so much that the director tries all sorts of ways to try to get him to stop moving his hands
I have a question to throw out there:
What do you call heat loss which is other than radiative heat loss?
I'm asking this question because folk have been using, 'radiative heat loss' to describe heat loss in space as if it is an accelerated form of heat loss..
The facts is that all heat loss is radiative, just as all heat gain is also radiative heat gain. If heat loss occurs using the radiative acceleration of conduction or convection then that is more properly described as accelerated, radiative heat loss.
In other words, when you hear, 'radiative heat loss', read; heat loss. By the same token, when you hear, 'deep space', probs they are taking about cis lunar space and not deep space.
One more thing: 4k space is the same as infinitive hot space. Assigning a temperature to nothing is silly. For, '4k space', read; space.
Thoughts?
Conduction. Radiative is the main one in space.
What if a black hole fell into a black hole
If we look where we're told to look, we won't see what's going on elsewhere.
I probably shouldn't have generalized that.
If everyone focuses their black hole searches on a disk, they'll "prove" the hypothesis even if it's wrong, by finding mostly black holes in that disk area, with very few elsewhere.
isn't it "has" not "have"?
Black holes, is that where Dark Matter/Energy Comes from?
Just as I was about to sleep...
Wayyyy off topic, but his hair is better than normal. 10/10
I also have a lot of gas ...
So how often are the flashes happening that we can see? We talking one a year or several a day?
In introduction to orbital physics one will learn Force of gravity = G m1 m2/R^2. That is, multiply your masses, times the relatively small gravitation constant, divide by the distance squares, and there you have it, force of gravity. So why would a black hole with mass similar to the sun exert any more gravity?
Black holes don't actually have more gravity than a star of similar mass, it's just that you can get a lot closer to the center of a black hole than you can the center of a star. A black hole with the mass of the sun would have a radius of just 3 km, compared to the sun's radius of 695,508 km. If the sun were replaced with a black hole of the same mass, the orbits of the planets would remain unchanged, but the force of gravity would continue to increase as you got closer than the 695,508 km, where you would previously hit the sun.
where is the telescope in chile?
For the supernova flash, "The group from the University of Chile (UC), the Millennium Institute of Astrophysics (MAS) and other institutions made the discovery after scanning the sky for 14 nights using the DECam instrument on the Victor Blanco Telescope at the Cerro Tololo Inter-American Observatory in Chile." www.newsweek.com/astronomers-catch-glimpse-what-happens-just-violent-death-star-1110957
Hhmmmm... Black Holes 😎
I am responsible for a lot supernova gas
Black Holes are just space farts.
So does this mean we can get a warning before Betelgeuse goes supernova? Or are we only talking about seconds or minutes?
I know this question is probably basic to you guys but how is a black hole made and what are they made up of?
They are made from really big stars, which are mostly hydrogen, fusing hydrogen into heavier and heavier elements until iron. Iron takes more energy to fuse than it creates so fusion stops. Without fusion pushing everything out, all that hydrogen and everything else collapses in, due to gravity, into a single tiny point, a singularity.
@@gunslinger2566 thank you
I love you hanks
To master Therion they suckholed? Their way through,( just a guess)
1:16 Hungary was a joke?
I heard it was 4 billion times the mass of the sun and the universe is actually 13.76553788865433..... years old
Seriously guys, what about that hole in the Soyuz, you just keep ignoring it.
You're one of the very few folks unbiased enough to end most of the speculations.
isnt space a vaccume
The air leak was sealed quickly by Russian cosmonauts, that's not the point. Someone deliberately (!) did this hole and no one's sure why.
No one did it on purpose,. It's completely rational, and extremely likely it was a micrometeorite. SMH. Not everything is a conspiracy lmao.
Scott Manley is good but it's more of a nerd stuff while SciShow is more mainstream. It's just weird how they cover regular EVAs but refuse to even mention probably a single most mysterious accident in the ISS history.
Could a smaller black hole be ripped apart into not a black hole by a passing larger black hole?
Holey!!!!!!!!!
Must...resist...dirty.....joke!
The black holes hold the stars in place, prolly. Sort of like lights on a Christmas tree.
I wath sci show probably every day. So there I am listening to NPR as they were talking about a book written by Hanks brother how did I not know that Hanks brother wrote one of my favorite books.
Really? Wow! Do you watch vlogbrothers? I feel like John talks about his books pretty often...
Also, are you looking at picking up Hank's new book, An Absolutely Remarkable Thing, releases September 25 available for preorder now?
Yes that is a massive amount of gas but it doesn't even compare to the amount of gas that is expelled after i eat a whole crave case of sliders from Whitecastle.
man , whats next :/
I'm disappointed in the lack of sex jokes from the video titles
I thought the plural of Supernova was 'Supernovae'? :p
What if dark matter is nothing more than a bunch of small black holes?
that's pretty much been ruled out, the majority of matter is dark matter so if it was all (or just mostly) black holes the effects of such would be fairly obvious and potentially catastrophic. even if they were small.
I suspect black holes to be a component of the missing matter problem. These old "primordial black holes" might start chipping away at the 70% of matter unaccounted for, perhaps alongside sterile neutrinos and other options.
Apparently dark matter is gas uninhibited by gravitation
Black holes of a feather? Black holes don't have hair, let alone feathers!
Why do stars go supernova and blackholes don't?
You didnt pay attention! A supernova appears when something bounce off.....When a black hole formes nothing will bounce off....Its a hole man ! It goes in.
every manned space mission was and is hot- except Apollo. How can that be?
what
Why?
yyyyeeeeaaaahhhhhhhya!