XD for me they had the weirdest video clip I ever saw on Mtv (and that's saying much, with the head, beavis and butt-head, aeon flux and co running)... I had nightmares of that lady stretching her smile further and further XD
Short answer: The Sun would still retain all its mass, so Earth would not fall in it would orbit normally. Long term effects is that it would be dark and cold.
And by "long term" effect of darkness, that would take ~8 mins. Coldness would arrive hours later as the Earth's atmosphere dispersed it's remaining residual heat -- but within a few days (which is "short term", imho) it would be pretty brutally cold here on earth - everywhere...
What if we just used the energy left on Earth to make up for the cold darkness? Sure would be neat to control those things like UV, sunburns, cancer, and IR.
@@vaprex Not everywhere. Most of Earth would remain above freezing for thousands of years; the oceans would coat with ice insulating the water below which would keep most of earths habitable area still habitable. It would also be hard to say how much energy the black hole would emit. Black holes(or to be more exact disk of matter around them) release large amounts of energy as matter falls in. Can't find any good numbers on the amount of mass that falls into the sun regularly, but I would feel safe saying that the black hole would still be the brightest/warmest object in the sky.
@@amirabudubai2279 you might be right, but would still be FAR less bright then now, and despite large amounts os mass falling into it, it would not even be close for some sort of "solar energy"... don't forget that this "brightest/warmest object in the sky" would have just 3km in radius, think of it compared to the 1700km radius from our moon, that is waaay closer... I 'think it actually would generate a bright similar to a star in the night sky. (about the temperatures, i have no idea if your predictions are right lol)
Because of the black-hole's greatly reduced apparent diameter compared to that of the sun, during a total b-hole eclipse the traversal of the moon would trace across the earth a MUCH WIDER band of totality. This means MANY MORE hypothetical observers (presumably shivering in the dark) would have the opportunity - however briefly - to not be able to see the spot where all the light isn't coming from. If only we, too, could be there to not see it!
A funny thing about that: it is not actually a "real" question. The event horizon is not just the place where you can't escape the black hole's gravity. It's actually the surface of a volume of spacetime that is causally disconnected from the rest of the universe. Put more simply, there is no way to describe what is inside. It's not *real* from our perspective. You can do math to figure out what it might be like, but it is literally impossible for us ever to know, without falling in ourselves. If we do fall in, we can never send that information back. (We would also die.) About that mathematical description, though... it suggests that the event horizon has a counterpart in another region of spacetime: an alternate universe, so to speak. It also implies yet another universe in which the black hole becomes a white hole, ejecting everything it consumes. There is no way to interact with or detect this, however, so it remains a hypothesis only.
@@dead_kennedys7870 not necessarily. I respect Soundgarden but I'm not the biggest fan of grunge. I'm an all out progressive guy. So I'd rather have some prog stuck in my head
Two things I should add: 1- Tidal forces could rip planets apart, Of course, they have to be too close for that to happen, but when that happens, the remaining gas would get sucked in slowly in an accretion disc. The reason for that gas to get sucked in: The friction of the gas molecules makes it hotter, and as it emits its heat out, it is losing kinetic energy which brings it to closer orbits. But how could that happen: 2- Gravitational waves, they cause the orbiting objects to lose their energy very very very slowly, which brings them closer and closer to the black hole/ star.
Actually, a more fun question: if the black hole that replaced the sun had an accretion disk, a: would it reach out as far as Earth's orbit, and if not, b: would it provide enough light and heat for life to continue on earth.
Haven't watched the video yet, no because black holes are not "vaccuam cleaners" and if you are at a distance big enough (the Schwarzschild radius, if I am not mistaken), then the black hole would act like any other source of gravity with the same mass.
Escape velocity at the schwarzchild radius is actually precisely the speed of light directly away from the black hole. So, you can be a lot further away to fall in, depending on your inability to achieve a particular escape velocity and your angle of orbit.
@@deluxeassortment Escape Velocity is technically not the correct term. Escape Velocity is from Newtonian Mechanics, and Black holes are General Relativity.
@@jamesmnguyen Yes, I realize that it's the point at which all paths lead to the center because of the spacetime curvature, but for a spaceship not taking quantum paths, velocity is a direct consequence of spacetime curvature.
I already tried that idea on universe sandbox and the results is that, the black hole will slowly destroy earth each time it goes a little bit closer but there are times that it just kicks out earth and flew in space as a rogue planet. I guess it depends on where is its position....
What if we replaced the sun with a gigantic rooster? I mean, would it be in a perpetual state of crowing, " cock-a-doodle-doo", or would it never crow unless it saw itself in a mirror?
Stuttering, cold and damp Steal the warm wind tired friend Times are gone for honest men And sometimes far too long for snakes In my shoes, a walking sleep And my youth I pray to keep Heaven sent hell away No one sings like you anymore
TLDW no because black holes don’t suck things in any more than something of equal mass, that’s not how gravity works, you’d just freeze because no light
I think the more pressing matter becomes that we'd be orbiting a body that refuses to give us light, heat, or anything at all save for perhaps Hawking radiation
"Orbits of planets depend on mass of the Sun and not on it's size" It's because physicists use the Shell Theorem and make the incorrect assumption, that every object with a symmetry in it's shape, can be treated, like point of mass...
Could the black hole have a similar energy output as the sun? Could we survive this ordeal with changes to biology and engineering (assuming synthesis of energy collected from hawking radiation is feasible) or is our survival in this situation inconceivable?
Serious question here. With the Sun being much larger than the equally massive black hole, wouldn't this mean that SOME of the object's mass would be closer to Earth and therefore would have higher gravitational pull than a smaller black hole with all of its mass concentrated further away?
If the sun were replaced with a black hole, I assume the amount of heat getting to the earth would vastly reduce, and so would evaporation of water. Therefore the ‘wash away the rain’ line from the song wouldn’t be too far wrong.
Before i watch the video: no and neither would any of the other planets. Not evan murcury. Because it would still theoretically have the same mass and so have the same gravitational pull.
If memory serves, there's technically an area larger than the event horizon where stable orbits don't exist (possibly only applies to circular orbits?). You can still safely pass through that area, but due to some weirdness that I don't recall the details of, an orbit within it that would otherwise be stable, isn't. Pretty sure the area's only 1.5 (maybe 2) times the radius of the event horizon, so it still wouldn't even affect Mercury in this "sun replaced with equal-mass black hole" hypothetical. I should probably have looked up something to refresh my memory on this subject, instead of rambling on about a half-remembered bit of trivia...
jila.colorado.edu/~ajsh/insidebh/schw.html this website shows the regions of a black hole, and if an orbiting object falls below 2 swarzschild radii, then it spirals in to the singularity for more: google innermost stable circular orbit
Wouldn't we actually experience slightly less pull, since the mass would be slightly further away from us? (Since the Sun's radius would be about 3km instead of it's current radius of ~700,000km)
@@derekeastman7771 Never mind, I'm dumb; you're right. (Though on a sidenote, the actual point that they orbit is the mutual centre of gravity, not the centre of the sun.)
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I came here for Sound Garden music video.
Me too, I’m going on a hunger strike...wait that’s not sound garden
@@ecosmith7852 coulda fooled me 🤣
*Chris Cornell wants to know your location*
Chris Cornell is dead .. dont think he wants to know much at this point
@@KenMabie or he now knows all the answers .
@@KenMabie r/whoosh
_black hole sun, won't you come and wash away the rain_
Short answer: No
Long answer: Nooooooooooo!
Let's keep this man at 42 likes
Real answer: Yes. Orbits do decay around blackholes, really funky business happens with those
You just got to love the Soundgarden reference.
Sweet Sound garden reference, I'm all for it.
XD for me they had the weirdest video clip I ever saw on Mtv (and that's saying much, with the head, beavis and butt-head, aeon flux and co running)... I had nightmares of that lady stretching her smile further and further XD
"Good news, everyone!" Is that you, Professor Farnsworth?
I was taking a drink when he said that...
Short answer: The Sun would still retain all its mass, so Earth would not fall in it would orbit normally. Long term effects is that it would be dark and cold.
And by "long term" effect of darkness, that would take ~8 mins. Coldness would arrive hours later as the Earth's atmosphere dispersed it's remaining residual heat -- but within a few days (which is "short term", imho) it would be pretty brutally cold here on earth - everywhere...
What if we just used the energy left on Earth to make up for the cold darkness? Sure would be neat to control those things like UV, sunburns, cancer, and IR.
@@vaprex Not everywhere. Most of Earth would remain above freezing for thousands of years; the oceans would coat with ice insulating the water below which would keep most of earths habitable area still habitable.
It would also be hard to say how much energy the black hole would emit. Black holes(or to be more exact disk of matter around them) release large amounts of energy as matter falls in. Can't find any good numbers on the amount of mass that falls into the sun regularly, but I would feel safe saying that the black hole would still be the brightest/warmest object in the sky.
@@amirabudubai2279 you might be right, but would still be FAR less bright then now, and despite large amounts os mass falling into it, it would not even be close for some sort of "solar energy"... don't forget that this "brightest/warmest object in the sky" would have just 3km in radius, think of it compared to the 1700km radius from our moon, that is waaay closer... I 'think it actually would generate a bright similar to a star in the night sky.
(about the temperatures, i have no idea if your predictions are right lol)
Dark and cold, like my heart
"the black hole sun would NOT come wash away the rain"
Wow, day ruined. Thanks, STEFAN
0:06 When SciShow turns into Futurama
That was definitely a Futurama call back.
thats how i know it's not good news.
I’m just here for the Soundgarden references.
And the science.
Rest in peace Chris Cornell
Great reference to Soundgarden, rest in peace Chris
Because of the black-hole's greatly reduced apparent diameter compared to that of the sun, during a total b-hole eclipse the traversal of the moon would trace across the earth a MUCH WIDER band of totality. This means MANY MORE hypothetical observers (presumably shivering in the dark) would have the opportunity - however briefly - to not be able to see the spot where all the light isn't coming from. If only we, too, could be there to not see it!
27 seconds from stating talking to the inevitable soundgarden reference.......Awesome!
That sly soundgarden reference 👌
If the sun became a black hole, the Earth wouldn't fall in, but if you call my name through the cream I could hear you scream agaaaaiinnnn...
The real question is where does the black hole lead to
Down, duh.
Spongebob SquarePants A White Hole in a other dimension
Spongebob SquarePants It would lead you into spaghetti-land of nothingness
A funny thing about that: it is not actually a "real" question. The event horizon is not just the place where you can't escape the black hole's gravity. It's actually the surface of a volume of spacetime that is causally disconnected from the rest of the universe.
Put more simply, there is no way to describe what is inside. It's not *real* from our perspective. You can do math to figure out what it might be like, but it is literally impossible for us ever to know, without falling in ourselves. If we do fall in, we can never send that information back. (We would also die.)
About that mathematical description, though... it suggests that the event horizon has a counterpart in another region of spacetime: an alternate universe, so to speak. It also implies yet another universe in which the black hole becomes a white hole, ejecting everything it consumes. There is no way to interact with or detect this, however, so it remains a hypothesis only.
@@Sobra_. you solved physics? Cool, can I see your research?
Ah yes, I believe Soundgarden also once pondered this question.
Great now I got that Soundgarden song stuck in my head.
Are you complaining?
Mike Kazz It should always be stuck in your head to begin with.
@@dead_kennedys7870 not necessarily. I respect Soundgarden but I'm not the biggest fan of grunge. I'm an all out progressive guy. So I'd rather have some prog stuck in my head
I was waiting for that music related joke
excellent soundgarden reference, loveya scishow
+1 for Soundgarden reference
That Chris cornell reference made me shed a tear... lol
thank u chris...
Infinite likes for the Soundgarden reference.
Two things I should add: 1- Tidal forces could rip planets apart, Of course, they have to be too close for that to happen, but when that happens, the remaining gas would get sucked in slowly in an accretion disc. The reason for that gas to get sucked in: The friction of the gas molecules makes it hotter, and as it emits its heat out, it is losing kinetic energy which brings it to closer orbits. But how could that happen: 2- Gravitational waves, they cause the orbiting objects to lose their energy very very very slowly, which brings them closer and closer to the black hole/ star.
Actually, a more fun question: if the black hole that replaced the sun had an accretion disk, a: would it reach out as far as Earth's orbit, and if not, b: would it provide enough light and heat for life to continue on earth.
Slips in a slick Soundgarden reference... :)
You can replace the sun, and everything else, with infinite darkness if you stare at it long enough
Mr. Sun came up and he smiled at me...
0:57 its the universe's calculator outputting "ERROR" when something impossible is typed in
Nice musical reference
I came for the Soundgarden reference. 😂😂😂😂👍🏼👌🏼🤘🏼
won't you come, won't you come
Great, thanks, now that song is going to be in my head all day.
No really, thanks, it's a great song!
HAD TO GO WATCH THE WHOLE MUSIC VIDEO FIRST! XD SOOOOO GOOD
Literally came to see if they'd make the Soundgarden reference
Lol nice Soundgarden lyric tossed in. 😂
🎶Black hole sun, won’t you come🎶
Lol nice soundgarden reference.
+1,000 for the Soundgarden reference.
Haven't watched the video yet, no because black holes are not "vaccuam cleaners" and if you are at a distance big enough (the Schwarzschild radius, if I am not mistaken), then the black hole would act like any other source of gravity with the same mass.
Escape velocity at the schwarzchild radius is actually precisely the speed of light directly away from the black hole. So, you can be a lot further away to fall in, depending on your inability to achieve a particular escape velocity and your angle of orbit.
@@deluxeassortment Escape Velocity is technically not the correct term. Escape Velocity is from Newtonian Mechanics, and Black holes are General Relativity.
@@jamesmnguyen Yes, I realize that it's the point at which all paths lead to the center because of the spacetime curvature, but for a spaceship not taking quantum paths, velocity is a direct consequence of spacetime curvature.
Black hole sun
won’t you come
And wash away the rain?
Came for soundgarden, stayed for futurama intro.
Scishow’s tribute to Chris Cornell
When you said “you and i wouldn’t be around to see all that”
It get emotional.
This episode is just one big Soundgarden reference.
Not that there’s anything wrong with that!!!! R.I.P. Chris Cornell
Came here for the Soundgarden comments
🎶🎶🎶
Black hole sun
Won't you come
And wash away the rain
Black hole sun
Won't you come
Won't you come (won't you come)
🎶🎶🎶
After this, I'm watching the music video.
...won't you come, and wash away the rain.
I already tried that idea on universe sandbox and the results is that, the black hole will slowly destroy earth each time it goes a little bit closer but there are times that it just kicks out earth and flew in space as a rogue planet. I guess it depends on where is its position....
If it happened, Spoonman would come and save me
Feel the rhythm with your hands.....
I came for the Soundgarden reference
"ignoring the whole no sunlight thing" is one heck of a thing to ignore!
RIP Chris Cornell
If the sun became a black hole, Chris Cornell revives.
I personally vote to replace the sun with a pulsar. Cosmic disco.
if you have to mess with a star, dont mess with the one giving us energy for the next 5 billion years
You can pull this off in Universe Sandbox quite easily. And if you do it right, nothing happens other than the solar system getting very very cold.
What if we replaced the sun with a gigantic rooster? I mean, would it be in a perpetual state of crowing, " cock-a-doodle-doo", or would it never crow unless it saw itself in a mirror?
Well, at the very least, he ain’t gonna die.
Quick answer before i watched the video: no because the mass stays the same. Although it would get very cold
But, that is not enough mass to even create a black hole. This whole video is silly and belongs more in a 4th grade class.
Stuttering, cold and damp
Steal the warm wind tired friend
Times are gone for honest men
And sometimes far too long for snakes
In my shoes, a walking sleep
And my youth I pray to keep
Heaven sent hell away
No one sings like you anymore
Technically a stable orbit would not be forever since the objects would be losing energy in the form of gravitational waves.
I really liked the humor in this episode. Spunkier than usual.
TLDW no because black holes don’t suck things in any more than something of equal mass, that’s not how gravity works, you’d just freeze because no light
black hole sun, won't you come, wash away the rain
I think the more pressing matter becomes that we'd be orbiting a body that refuses to give us light, heat, or anything at all save for perhaps Hawking radiation
*Soundgarden wants to know your location*
"Orbits of planets depend on mass of the Sun and not on it's size"
It's because physicists use the Shell Theorem and make the incorrect assumption, that every object with a symmetry in it's shape, can be treated, like point of mass...
I wish the discounts from brillant would stack up, I could probably get a life time preumium membership for free, if they stack up.
i was just singing this song today :D
I thought schwartzchild radius was the radius a point would have to be to become a black hole with that mass?
R.I.P Chris Cornell
"We don't really consider a black hole a thing" THANK YOU! Most other videos on UA-cam get that wrong...
2:20 False.
Orbits decay slowly over time due to gravitational waves. Orbit to close to a black hole and you will fall in eventually.
Could the black hole have a similar energy output as the sun? Could we survive this ordeal with changes to biology and engineering (assuming synthesis of energy collected from hawking radiation is feasible) or is our survival in this situation inconceivable?
I'd like to hear more about the Earth orbiting a very round hamster, pls.
The closest I've got is a moon-sized ball of moles orbiting the earth: what-if.xkcd.com/4/
@@Solusphere That is both awesome and horrible
A hypothetical near-spherical hamster would be so cute at least all humans within eyeball-reach would start orbiting it, regardless of mass.
Serious question here. With the Sun being much larger than the equally massive black hole, wouldn't this mean that SOME of the object's mass would be closer to Earth and therefore would have higher gravitational pull than a smaller black hole with all of its mass concentrated further away?
no... center of mass of the system
I respectfully disagree; I think our rain would definitely get washed away since rain washing is a known property of black hole suns
How would it affect us in other ways? I know we wouldn't have light and heat, but what about radiation and other concerns.
Would a micro black hole be considered a “black hole son”?
*Immediately starts singing black hole sun*
Nailed that obligatory pun.
If the sun were replaced with a black hole, I assume the amount of heat getting to the earth would vastly reduce, and so would evaporation of water.
Therefore the ‘wash away the rain’ line from the song wouldn’t be too far wrong.
2:25 "forever" because energy is going to radiate as gravitational waves and EM radiation and etc
Only reason I clicked on the video was for the song reference lol
Before i watch the video: no and neither would any of the other planets. Not evan murcury. Because it would still theoretically have the same mass and so have the same gravitational pull.
Also its shape. From what I understand, an Egyptian pyramid of 1 solar mass would not permit circular orbits.
I see what you did there, sneaky music loving channel you
If memory serves, there's technically an area larger than the event horizon where stable orbits don't exist (possibly only applies to circular orbits?). You can still safely pass through that area, but due to some weirdness that I don't recall the details of, an orbit within it that would otherwise be stable, isn't. Pretty sure the area's only 1.5 (maybe 2) times the radius of the event horizon, so it still wouldn't even affect Mercury in this "sun replaced with equal-mass black hole" hypothetical.
I should probably have looked up something to refresh my memory on this subject, instead of rambling on about a half-remembered bit of trivia...
jila.colorado.edu/~ajsh/insidebh/schw.html
this website shows the regions of a black hole, and if an orbiting object falls below 2 swarzschild radii, then it spirals in to the singularity
for more: google innermost stable circular orbit
I'm telling Chris Cornell you said that 😠
But would it wash away the rain?
Insert guitar solo here
I remember the song.
Foes this theory include the fact that The moon is slowly moving away from us though? Does it account for an altered earth orbit
Soundgarden ftw
Now I gotta go watch the Soundgarden, Black Hole Sun video.
Wouldn't we actually experience slightly less pull, since the mass would be slightly further away from us? (Since the Sun's radius would be about 3km instead of it's current radius of ~700,000km)
No, the distance is measured from the middle of the thing since that is where the force is applied from.
@@derekeastman7771 Never mind, I'm dumb; you're right. (Though on a sidenote, the actual point that they orbit is the mutual centre of gravity, not the centre of the sun.)