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re: See a black hole for the first time in a historic image from the Event Horizon Telescope
Posted on 4/10/19 at 9:42 am to When in Rome
Posted on 4/10/19 at 9:42 am to When in Rome
THAT's where my lost keys went!
0
Posted on 4/10/19 at 10:04 am to When in Rome
quote:
Finally, they tested their findings against the results of a million simulations of what a black hole might look like, until at last they spotted a match.
Don't understand this part.....they kept looking until they found one that matched what they calculated it would look like? Isn't that kind of pre-determining the outcome? What am I mis-reading?
Posted on 4/10/19 at 10:37 am to When in Rome
Super hilarious penis, anus, and vagina jokes on this thread. This is why we have to have so many boards...
Posted on 4/10/19 at 10:37 am to SlapahoeTribe
quote:
the project had collected 5 billion megabytes of data
quote:
Who says it like this?
= 5 petabytes or 5000 terabytes
Because 5 billion megabytes sounds bigger and more relatable than 5 petabytes. Meaning, the average person doesn't understand how big a petabyte or terabyte is.
Posted on 4/10/19 at 10:40 am to When in Rome
Thanks for posting my dads going to be all over this
Posted on 4/10/19 at 10:45 am to jeffsdad
quote:I'm guessing they predicted what one might look like using astro-physics nobody here understands.
Don't understand this part.....they kept looking until they found one that matched what they calculated it would look like? Isn't that kind of pre-determining the outcome? What am I mis-reading?
The movie Interstellar had several astro-physicists part of production to help visualize a black hole.
Posted on 4/10/19 at 10:47 am to GEAUXT
quote:
I think the importance of this will be lost on a lot of people.
It obviously has been.
quote:
This is a very big deal, and truly incredible.
Given the distance and amount of resources required it is astonishing. There were theories about what an accretion disk would look like but we didn't really know. It does look like predicted - that is the ultimate test, and how science is done.
Posted on 4/10/19 at 11:12 am to jmcwhrter
Posted on 4/10/19 at 11:40 am to J Murdah
quote:
Don't understand this part.....they kept looking until they found one that matched what they calculated it would look like? Isn't that kind of pre-determining the outcome? What am I mis-reading?quote:
I'm guessing they predicted what one might look like using astro-physics nobody here understands.
The movie Interstellar had several astro-physicists part of production to help visualize a black hole.
That's my understanding. We know a good deal about black holes, but there's also a good deal we don't know about black holes. Physicists have many differing theories and ideas about the parts we're not so sure of.
So, to better understand the physics, they made millions of computer models, each of them with different physics models, and let the models predict what the black hole would look like. Then they pointed the telescopes at two objects that we are confident are black holes and took pictures of them. Then they compared the actual data of the known black hole to the simulations they made and picked out the simulation results that were closest to what the scientists actually saw.
Out of those millions of simulations, only a relatively small handful came out that closely matched the actual observation. From that handful, the scientists can investigate the physics models of each simulation and compare how well the models agree with each other and how well they agree with what we think the physics of black holes is. More importantly, the scientists can look at those successful models and if they all agree with each other on something we just guessed at or agree with each other but disagree with what physicists think they know, that likely points to a fruitful avenue of research so that dollars and effort can be better focused on those 'Hmm. That's neat.' parts of the physics models to try to avoid dead end research.
This post was edited on 4/10/19 at 11:46 am
Posted on 4/10/19 at 11:41 am to When in Rome
Video explaination of what we see and why A youtube video explaining the reason for rings. The size of a black hole and why we see the front and back of a black hole simultaneously. Thought it was a neat share.
Posted on 4/10/19 at 11:49 am to When in Rome
Posted on 4/10/19 at 12:15 pm to When in Rome
Can't be a black hole. Light is escaping.
Posted on 4/10/19 at 12:50 pm to Langland
That light that you see is doing the opposite of escaping it, dumbass. 
Gotta love the internet. Dozens of elite scientists worked on this, yet some random mouth-breather thinks he should inform them that they were completely mistaken.
Gotta love the internet. Dozens of elite scientists worked on this, yet some random mouth-breather thinks he should inform them that they were completely mistaken.
Posted on 4/10/19 at 1:16 pm to Shadowlink
quote:
Video explaination of what we see and why A youtube video explaining the reason for rings. The size of a black hole and why we see the front and back of a black hole simultaneously. Thought it was a neat share.
I did well until about 6 minutes in.. After that, were talking concepts that are difficult to comprehend.
Posted on 4/10/19 at 1:28 pm to Langland
quote:
Can't be a black hole. Light is escaping.
You even event horizon accretion disk bro?
I think people are not appreciating enough the face that we took a picture with that level of clarity of what was previously largely theoretical, and which is 55 MILLION LIGHT EFFING YEARS AWAY.
It's insane.
Posted on 4/10/19 at 1:38 pm to Chucktown_Badger
quote:
I think people are not appreciating enough the face that we took a picture with that level of clarity of what was previously largely theoretical, and which is 55 MILLION LIGHT EFFING YEARS AWAY.
Yet we still can't get a clear picture of Bigfoot.
Posted on 4/10/19 at 1:53 pm to When in Rome
Posted on 4/10/19 at 2:01 pm to Chucktown_Badger
quote:Agreed. The magnitude of this is practically incomprehensible. It's truly a remarkable feat of mankind, yet the OT still bitches about it.
I think people are not appreciating enough the face that we took a picture with that level of clarity of what was previously largely theoretical, and which is 55 MILLION LIGHT EFFING YEARS AWAY
Posted on 4/10/19 at 2:09 pm to Grit-Eating Shin
Also, there is a distance, extremely far out from the blackhole and accretion disk itself, from which a spaceship would not be able to escape, so it would be very long trip to getting destroyed. So we'll definitely want to steer clear of even the neighborhood of black holes when we're traveling to the other side of the galaxy or another galaxy. Just wanted to put that out there.
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