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Astronomers shed light on formation of black holes and galax

 
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PostPosted: 21.12.2017 0:17    Post subject: Astronomers shed light on formation of black holes and galax Reply with quote

Astronomers shed light on formation of black holes and galaxies

https://m.phys.org/news/2017-12-astronomers-formation-black-holes-galaxies.html

"Supermassive black holes are captivating," says lead author Shelley Wright, a University of California San Diego Professor of Physics. "Understanding why and how galaxies are affected by their supermassive black holes is an outstanding puzzle in their formation."

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PostPosted: 21.12.2017 0:19    Post subject: Reply with quote

"This is remarkable that the supermassive black hole is able to impact stars forming at such large distances," says Wright.

Today, neighboring galaxies show that the galaxy mass is tightly correlated with the supermassive black hole mass. Wright's and Vayner's research indicates that 3C 298 does not fall within this normal scaling relationship between nearby galaxies and the supermassive black holes that lurk at their center. But, in the early universe, their study shows that the 3C 298 galaxy is 100 times less massive than it should be given its behemoth supermassive black hole mass."

Niin, eli galaksit syntyvät sisältä ulos päin.

Aine josta tähdet syntyvät on peräisin galaksien keskusten supermassiivisista kohteista!!!

MrNewTime
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PostPosted: 21.12.2017 0:28    Post subject: Reply with quote

Cosmic filament probes our galaxy's giant black hole


https://m.phys.org/news/2017-12-cosmic-filament-probes-galaxy-giant.html


Each of the scenarios being investigated would provide intriguing insight if proven true. For example, if the filament is caused by particles being ejected by Sgr A*, this would reveal important information about the magnetic field in this special environment, showing that it is smooth and orderly rather than chaotic.

The second option, the cosmic string, would provide the first evidence for a highly speculative idea with profound implications for understanding gravity, space-time and the Universe itself.

Evidence for the idea that particles are being magnetically kicked away from the black hole would come from observing that particles further away from Sgr A* are less energetic than those close in. A test for the cosmic string idea will capitalize on the prediction by theorists that the string should move at a high fraction of the speed of light. Follow-up observations with the VLA should be able to detect the corresponding shift in position of the filament.

Even if the filament is not physically tied to Sgr A*, the bend in the shape of this filament is still unusual. The bend coincides with, and could be caused by, a shock wave, akin to a sonic boom, where the blast wave from an exploded star is colliding with the powerful winds blowing away from massive stars surrounding the central black hole.

"We will keep hunting until we have a solid explanation for this object," said co-author Miller Goss, from the National Radio Astronomy Observatory in Socorro, New Mexico. "And we are aiming to next produce even better, more revealing images.""


Sieltä itsestään näitä purkauksia ulos työntyy, you know or maybe not.

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