Scientific breakthrough - photo of a black hole - Progressive Rock Music Forum

2dogs wrote:

...The team haven’t yet imaged the Sagittarius A* black hole at the centre of our galaxy, this one is in the galaxy M87 55 million light years away.

Well, now they have. The black hole at the center of the Milky Way, know as Sagattarius A*, or Sag A Star for short, has been imaged. https://eventhorizontelescope.org/blog/astronomers-reveal-first-image-black-hole-heart-our-galaxy

^ Oh you can't see it - that's why it's called a black hole. The Human League can explain it - sort of LOL

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"There is nothing new except what has been forgotten" - Marie Antoinette

Hi,

Kinda strange for me to see these images ... because the physics behind it would suggest that if you can see it, you ARE under its influence, and before you can write it down and tell your friend, it would have already swallowed you up!

Thus, if seeing is believing, then it's over!

Music is not just for listening ... it is for LIVING ... you got to feel it to know what's it about! Not being told!
www.pedrosena.com

Atavachron wrote:

Accurate to one second in ten million years? A watchmaker's dream.

One of the scientists did say though that they weren't going to wait 10 million years to test it LOL

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"There is nothing new except what has been forgotten" - Marie Antoinette

I watched a fascinating hour long TV programme about this. The team haven’t yet imaged the Sagittarius A* black hole at the centre of our galaxy, this one is in the galaxy M87 55 million light years away. The technical challenges were ridiculous as they had to record the radio signals from all these telescopes to hard drives then combine the data that had been emitted from the source at exactly the same instant - to a million millionth of a second using a very expensive atomic clock accurate to one second in ten million years. But the signals from those instants arrived at each site at different times due to them being at different places on the Earth and the locations of those places needed to be known extremely accurately to work those times out - taking into account the rotation of the Earth, movement of the ice shelf under the Antarctic telescope, continental drift of Hawaii and even the moving bulge in the Earth created by the pull of the Moon. Even then the data needed further processing to interpolate the image from what were effectively a few separated pixels rather than one big camera

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"There is nothing new except what has been forgotten" - Marie Antoinette

Snicolette wrote:

They were afraid we would see this:

Because guitar picks often disappear never to be seen again, right ?

"Too often we enjoy the comfort of opinion without the discomfort of thought." -- John F. Kennedy

They were afraid we would see this:

"Into every rain, a little life must fall." ~Tom Rapp

A team a 30+ worked on the algorithm... not that BBC cares

Interesting how they went for that artsy blur effect in the published photo. What was in the original that they didn't want us to see?

progaardvark wrote:

And here's the person behind the algorithm that made the picture possible, 29-year-old computer scientist Katie Bouman:

https://www.bbc.com/news/science-environment-47891902

Other sources say that all of the telescopes involved in this amassed 5 petabytes of data. That's a lot of disc space.

It is about thirty thousand times the space on the hard disk of our computer (1.6 terabyte). And there are many many albums and movies on our hard disk. We could never fill that much disk space in any meaningful way in our entire combined lives (meaning the members of our current household, which consists of my wife Jean, our daughters Alice and Dorothy, Jean's sister Bea and me, or in other words the members of our current band project Mother Gaia).

Edited by BaldFriede - April 11 2019 at 08:21

BaldJean and I; I am the one in blue.

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