Lol like i said......i know nothing. Thought i heared that somewhere
First image of an actual black hole!
- Thread starter Montoya
- Start date
Its ok most of truly don't either. But after enough beers the doctorate degree in bullshit allows us to become experts on everything.
It's going to take a LOT of milk to make that donut moist & delicious.
Radegast74
Space Marshal
that particular galaxy was "only" 55 million light-years away or so...so when the light originated, we were still running around with the dinosaurs here on our flat earth
DorianSkyphire
Space Marshal
that particular galaxy was "only" 55 million light-years away or so...so when the light originated, we were still running around with the dinosaurs here on our flat earth
FAKE NEWS.. the earth is only 6000 years old.
Radegast74
Space Marshal
More background info info on the Black Hole picture...guess what, it was less astronomy and more fascinating computer algorithm. The post-doc who did the scut work gave a TED talk about it 2 years ago. Check it out, the interesting bit begins at about 6min:
View: https://www.youtube.com/watch?v=BIvezCVcsYs&feature=youtu.be
DarthMatter
Space Marshal
The things I can think of "emitting" from black holes are Hawking radiation, the jet streams and (possibly) gravitational waves (the same way a big boat would cause waves by moving through water, so not really emitting it, but hey.)
Now, I'm a little rusty on the details. But Hawking radiation should be a way to make sure black holes don't violate too much of the known physical laws, and quantum physics in particular. One of these laws is that information on a subatomic scale can't be destroyed. So there should be some form of evaporation/information leaking out of the hole, although this is not in the form of light/photons. This isn't experimentally proven, but this model does give a lower limit to how small black holes can be created, which agrees with current observation.
With the jets, the story is a little different, as the jets are made up of energy not getting sucked into the black holes point of no return before being shot out at close to light speeds. Mass that gathers around the hole will fall closer and closer to the hole, as their potential energy is converted into kinetic energy. Due to how energy and rotations work (too long mathematical headache to do here), the black hole has to make the material loose energy to make it actually fall in and not just spin around faster and faster. This energy loss is... taken care of by the jets. Material/energy is shoved away along the poles of the black hole without passing the event horizon/point of no return. These have been detected before. Might even exist pictures of them. Or at least of jets forming the same way from other kinds of astronomical objects.
If you can find where you heard about scientists detecting photons from beyond the event horizon (at least, that's what I guessed was going on) I would LOVE to read more about it. Seriously, finding experiments going against common physics is the most fun.
//Astronomer that should have gone to bed 2 h ago.
Interesting that this auspicious event(horizon) has occurred so close to the 15th of April, which is tax day in the U.S., and every year a large percentage of my earnings disappear into a black hole also known as the internal revenue service
I want Darth Matter to explain all the things to us.
Here's an article on the subject regarding light emission. Here
For two weeks, the astronomers were able to observe flashes of light being released by the newly active V404 Cygni, which is one of the closest known black holes to Earth. It was woken up when the gravitational pull of its partner star pulled the two in too close, causing the black hole to strip away the surface matter of the star, before the whole thing fell in to release an incredible burst of radiation.
Awesome.
For two weeks, the astronomers were able to observe flashes of light being released by the newly active V404 Cygni, which is one of the closest known black holes to Earth. It was woken up when the gravitational pull of its partner star pulled the two in too close, causing the black hole to strip away the surface matter of the star, before the whole thing fell in to release an incredible burst of radiation.
Awesome.
dwbrn2
Captain
I thought I heard one of the scientist during the presentation today say, the dark area is the "shadow" of the singularity at the center of it? That bright yellow stuff is light being torn apart as it is sucked in. Wow that's some suckin!
Capt_Baldi
Grand Admiral
This is so cool. :D Totally gonna watch Interstellar tonight. xD
DarthMatter
Space Marshal
That's an interesting article, thanks!
It looks like the light emitted is from the accretion disc, the disk of matter spinning around the black hole, and not from the inside of the black hole or the other side of the event horizon.
The article on ScienceAlert was not as clear on this as the article in Nature it was referencing was.
The new thing in that report (Mariko Kimura, 2016) seems to be that the rate at which the black hole is stripping the star of it's mass, is much slower than scientists thought was needed for the effect to occur. So it is really cool stuff that changed how we looked at effects of black holes. Just not light escaping the event horizon levels of changing.
DarthMatter
Space Marshal
Just ask away and I'll answer to the best of my ability.
I would humbly accept a specialized Forum title as payment for that role.
@SeungRyul can we? Can we?Just ask away and I'll answer to the best of my ability.
I would humbly accept a specialized Forum title as payment for that role.
DorianSkyphire
Space Marshal
I have no idea what you just said but.. 1) I am thoroughly turned on, and 2) I am forced to believe what you said.