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''On May 12, the Event Horizon Telescope project is set to unveil what it calls "groundbreaking results" from its study of the Milky Way Though details are scant about exactly what will be revealed, there's a strong possibility astronomers have been able to take a picture of the supermassive black hole at the center of the Milky Way for the first time. That's what the EHT was designed to do!''
Other than the location at the center of the galaxy, what exactly is different about this black hole compared to the millions scattered in this and other galaxies?
Maybe I'm wrong, but the impression that I get is that black holes all look and function the same. You see one, you've seen them all.
Other than the location at the center of the galaxy, what exactly is different about this black hole compared to the millions scattered in this and other galaxies?
Maybe I'm wrong, but the impression that I get is that black holes all look and function the same. You see one, you've seen them all.
You should have watched the presentation. You might have learned something.
Oh, brother. An hour long and as boring as hell. I'm really interested in this stuff, but she put me to sleep. I'll try again later. I'd rather read a transcript in 15 minutes than sit through this for an hour.
Scientists have imaged a black hole before, but now they've captured a picture of the most important example — the one at the heart of the Milky Way galaxy. Researchers using the Event Horizon Telescope have revealed the first image of Sagittarius A* (aka Sgr A*), the supermassive black hole at the center of our home galaxy. The snapshot confirms both the presence of the black hole and provides more details of how these extreme space objects work.
Like the black hole spotted inside M87, Sgr A* is bending all the light around it — hence why it looks so similar. They're far from identical beyond this, however. The Milky Way's hole is over 1,000 times smaller and less massive. That made it a challenge to accurately visualize the gas whipping around the hole, as it orbits in minutes where M87's gas takes days or even weeks. And while the object is huge at 4 million times more massive than the Sun, M87's counterpart is billions of times more massive.
The team needed the Event Horizon Telescope's network of radio observatories to produce the imagery over the course of multiple nights. They developed new imaging tools, and used a mix of supercomputing power (to analyze and combine data) and black hole simulations to help compare their findings. The project took five years to complete, including 100 million hours of supercomputer time at the US' National Science Foundation.
I have always found Black Holes to be fascinating.
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