• Monster black hole is biggest ever found
    130 replies, posted
Once again, meet VY Canis Majoris: [IMG]http://upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Sun_and_VY_Canis_Majoris.svg/800px-Sun_and_VY_Canis_Majoris.svg.png[/IMG] VY Canis Majoris has the mass of about 50 solar masses. This black has the mass of about 6 to 36 billion of those. Meet Earth: [IMG]http://upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/599px-The_Earth_seen_from_Apollo_17.jpg[/IMG] Our home, our planet. This buddy weighs ~5,973,600,000,000,000,000,000,000 kg Our sun is about 332,946 heavier than Earth, and this black hole potentially weighs 36 [B]Billion[/B] times that weight. Fuck, we're small
This is an amazing discovery. Black holes scare me, but amaze me at the same time. Don't black holes have a finite density? I think that is why their event horizons expand. Correct me if I am wrong.
[QUOTE=ZombieWaffle;38660726]This is an amazing discovery. Black holes scare me, but amaze me at the same time. Don't black holes have a finite density? I think that is why their event horizons expand. Correct me if I am wrong.[/QUOTE] The singularity has infinite density. The event horizon expands because the distance from the singularity where the escape velocity is equal to the speed of light increases.
Sometimes i wonder if the phenomenon of time is simply caused by super massive blackholes, and if there were no blackholes then time would seize to exist. (Since black holes slow down light, and therefore time)
[QUOTE=Remscar;38660857]Sometimes i wonder if the phenomenon of time is simply caused by super massive blackholes, and if there were no blackholes then time would seize to exist. (Since black holes slow down light, and therefore time)[/QUOTE] What are you talking about?
Another reason to add to the list of "Good reasons to remember we're insignificant" when we're being stupid and pigheaded about our small problems the universe just blows me away. thank fuck we study all this.
[QUOTE=JohnnyMo1;38660823]The singularity has infinite density. The event horizon expands because the distance from the singularity where the escape velocity is equal to the speed of light increases.[/QUOTE] But the singularity is something that is a result of something finite, such as a star? How can it be infinitely dense if it was only finitely dense before?
Because it collapsed into a singularity. It has a finite mass, but infinite density.
[QUOTE=ZombieWaffle;38661008]But the singularity is something that is a result of something finite, such as a star? How can it be infinitely dense if it was only finitely dense before?[/QUOTE] compression of matter, expenditure of energy maybe
We have one kinda like this at the center of our galaxy. Every one does. Imagine when our galaxy collides with Andromeda. A fun concept would be if it intercepts us on its way to our black hole, or if Andromeda's pulls [i]our[/i] black hole into us. Either way it would be a really wild ride.
[QUOTE=Kylel999;38651914]This thread is making me feel tiny[/QUOTE] Here's food for thought. On a clear night, take a look at the center of the Milky Way in the sky. What you are looking at is so far away that what you're seeing is the Milky Way as it looked approximately 27,000 years ago. Another good one. This is known as "Mystic Mountain." [t]http://imgsrc.hubblesite.org/hu/db/images/hs-2010-13-a-xlarge_web.jpg[/t] Here's the kick. If you were hypothetically at the 'tip' of the nebulae, looking down at the other end...you're looking at something from 3 years ago. It's ~17 TRILLION miles in length. Earth ain't shit.
[QUOTE=BANNED USER;38661829]We have one kinda like this at the center of our galaxy. Every one does. Imagine when our galaxy collides with Andromeda. A fun concept would be if it intercepts us on its way to our black hole, or if Andromeda's pulls [i]our[/i] black hole into us. Either way it would be a really wild ride.[/QUOTE] It will be a such a slow time scale it would hardly be wild. [editline]1st December 2012[/editline] How come anytime an article on space is posted, rather than talk about the article everyone just starts philosophizing? Just something I've noticed.
isnt that what youre doing
[QUOTE=Pilotguy97;38650644]VY Canis Majoris is 6.6AU in radius. The article says the black hole is about the radius of neptune's orbit times 11. Neptune's orbit is ~30.1AU. Times 11 we get 331.1AU. This means the black hole is far larger than VY canis majoris. Fuck ninja'd, but I have slightly more data. Also, VY Canis Majoris is thought to be about the size of Juptier's orbit. 1 AU is also the distance from the earth to the sun. Just an FYI.[/QUOTE] 49 Trillion meters. D:
[QUOTE=ZombieWaffle;38661008]But the singularity is something that is a result of something finite, such as a star? How can it be infinitely dense if it was only finitely dense before?[/QUOTE] Mass is finite, but volume approaches (or even is maybe) 0. [editline]1st December 2012[/editline] [QUOTE=JohnnyMo1;38654263]The jet isn't related to release of energy from the black hole itself. It's material that's still outside that gets collected into those jets. Not all black holes have those jets and we don't know how they form yet so it's still hard to say why. Also, black holes actually radiate more power the smaller they are.[/QUOTE] Do they radiate more power in total, or just per unit of volume?
[QUOTE=Gekkosan;38653283]I would say some dark ghetto alleyway where you are likely to get mugged and murdered is scarier than a black hole.. in space.[/QUOTE] Do you know what's even scarier than either of those? There's fucking wandering black holes, they could fucking eat our solar system and we'd never have any warning, just straight up spaghettified, boom, game over man, game over!
[QUOTE=Pierrewithahat;38663714]Do you know what's even scarier than either of those? There's fucking wandering black holes, they could fucking eat our solar system and we'd never have any warning, just straight up spaghettified, boom, game over man, game over![/QUOTE] Imagine if you got mugged and murdered in a dark ghetto alleyway by one of those! That's even more terrifying.
[QUOTE=Pierrewithahat;38663714]Do you know what's even scarier than either of those? There's fucking wandering black holes, they could fucking eat our solar system and we'd never have any warning, just straight up spaghettified, boom, game over man, game over![/QUOTE] Might as well worry about being hit by a meteor then, higher chance of that.
If we're talking about extremely unlikely yet theoretically possible total destruction scenarios, then, imo, this takes the cake: [url]http://en.wikipedia.org/wiki/False_vacuum#Vacuum_metastability_event[/url] The [I]entire universe[/I] could just simply stop existing out of the blue. Only to be replaced by a new, better version of itself, in which life (as we know it) may or may not be possible. Lovecraftian as [B]fuck.[/B] [editline]you know[/editline] In fact, some scientists believe our universe is the product of a VME in a previous universe, that is, we're the bubble that expanded (or is expanding?) inside the other universe. And this is when it gets really fucking trippy: since a VME basically destroys the way we understand the laws of physics, the concept of 'time' in our universe (and just about everything else) will have fundamentally changed beyond anything we can calculate, comprehend, or even perceive, so it may as well have never happened at all. tl;dr: this is shit is so hardcore that it doesn't actually kill you, because after it happens [B]you will never have existed.[/B]
[QUOTE=Dr. Gestapo;38665533]If we're talking about extremely unlikely yet theoretically possible total destruction scenarios, then, imo, this takes the cake: [url]http://en.wikipedia.org/wiki/False_vacuum#Vacuum_metastability_event[/url] The [I]entire universe[/I] could just simply stop existing out of the blue. Only to be replaced by a new, better version of itself, in which life may or may not be possible. Lovecraftian as [B]fuck.[/B][/QUOTE] Ball of... dunno what to call it, that expands and deletes everything? There's always something much worse isn't there, even for supermassive black holes. Though since it expands at light speed, and considering the chances of it happening within a few thousand light years of us, it might already have happened and we wouldn't have to worry about it for several thousand years.
[QUOTE=Milkdairy;38660570]Once again, meet VY Canis Majoris: [IMG]http://upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Sun_and_VY_Canis_Majoris.svg/800px-Sun_and_VY_Canis_Majoris.svg.png[/IMG][/QUOTE] That is literally insane.
[QUOTE=ZombieWaffle;38661008]But the singularity is something that is a result of something finite, such as a star? How can it be infinitely dense if it was only finitely dense before?[/QUOTE] Once the matter gets compressed to within the Schwarzschild radius, the paths of all massive and massless particles converge to a single point. They get pulled in to one spot and condense into a singularity, though really the singularity forms almost instantly after the event horizon does.
[QUOTE=acds;38666022]Ball of... dunno what to call it, that expands and deletes everything? There's always something much worse isn't there, even for supermassive black holes. Though since it expands at light speed, and considering the chances of it happening within a few thousand light years of us, it might already have happened and we wouldn't have to worry about it for several thousand years.[/QUOTE] It is a 'bubble' of vacuum, but unlike our universe it is a 'true' vacuum, that means it is in the lowest energy level. Shamelessly stolen diagram from Wikipedia: [IMG]http://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Falsevacuum.svg/240px-Falsevacuum.svg.png[/IMG] Picture the universe like a pebble you're holding in your hand a few centimeters above the floor. The pebble wants to go to it's lowest energy level (the floor, because gravity), but it can't because there's something in the way (your hand). It can't also roll up and fall from your palm for no reason because it would require it to gain energy out of nowhere, which is impossible. BUT, imagine if the pebble randomly 'phased' through your hand and fell to the floor, without extra energy or anything. If the universe is like that, then it could simply slide into that lower energy state, which would cause a bubble to start expanding at light speed (or near light speed), the inside of which is a completely different universe with it's own set of laws of physics, math, etc. Of course, it's expansion would simply destroy everything in it's path. And yeah, since it expands at the speed of light or very close to it, it could take a long time for it to reach us, and if it did reach us, it would happen so incredibly fast that we wouldn't even notice it (before being completely obliterated of course). Unless we cause it, that is.
[QUOTE=Darkne55;38651632]I did a quick scale in mspaint [IMG]http://filesmelt.com/dl/canis_majoris_vs_supermassive_black_hole.jpg[/IMG] canis majoris is the small red dot on the left vs the supermassive black hole[/QUOTE] [QUOTE=soad_jonas;38651643][IMG]http://www.utexas.edu/news/files/NGC1277_diagram-1024x906.jpg[/IMG] To put things in perspective.[/QUOTE] I'm genuinely scared and frightened by the size of this monster... I was fine with Canis Majoris because it's a visible sun that you can avoid but when there's a black hole that sucks everything towards it at the size that makes Canis look like a dot, it just scares the shit out of me. Thank FUCK it's so far away.
[QUOTE=Death n1;38671947]I'm genuinely scared and frightened by the size of this monster... I was fine with Canis Majoris because it's a visible sun that you can avoid but when there's a black hole that sucks everything towards it at the size that makes Canis look like a dot, it just scares the shit out of me. Thank FUCK it's so far away.[/QUOTE] 250 million lightyears away. I wouldn't lose sleep over it. In fact it's more likely you'll die in your sleep tonight.
I wonder if the universe if it's infinite or finite
[QUOTE=theevilldeadII;38680827]I wonder if the universe if it's infinite or finite[/QUOTE] As I understand it, it's finite but in a mind-bending, non-euclidean way that we're not able to comprehend (yet).
These black holes make me wonder. Dont they basically eat up everything around them? So over millions of years wont our universe basically swallowed by a black hole?
[QUOTE=Adarrek;38681112]These black holes make me wonder. Dont they basically eat up everything around them? So over millions of years wont our universe basically swallowed by a black hole?[/QUOTE] Black holes 'eat' at too slow a rate to have any kind of impact like that, especially with the universe continuing to expand. If that were theoretically possible (and I'm not even sure it is), it would take trillions of years, if not more.
[QUOTE=Adarrek;38681112]These black holes make me wonder. Dont they basically eat up everything around them? So over millions of years wont our universe basically swallowed by a black hole?[/QUOTE] no/yes around 100 Bill year's there might be a "Big Crunch" (a reverses of the Big Bang ) or " Big Rip " (everthing rips from stars to galaxies to atoms apart into darkness) this are just Theorys and there's a few more as well [url]http://en.wikipedia.org/wiki/Big_Crunch[/url]
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