Tuesday, April 9, 2019

Hidden supermassive black hole to play hide and seek

Hidden in the secrets of large galaxies, strange hearts, from

they
from

 Lurking for their prey - sometimes a lost and wandering star, or a floating, vibrant gas cloud. from

they
from

 They are supermassive black holes, which are undoubtedly one of the most weird objects in our universe, almost unimaginably huge in the millions to dozens of times our sun. But some supermassive black holes are more secretive than other black holes, and the game of playing hide-and-seek with astronomers is more subtle because they are under the shadow of gas and dust. In July 2015, astronomers announced that they had discovered a large amount of new evidence of a large number of hidden supermassive black holes hidden in the universe. Use NASA from

Nuclear Spectroscopy Telescope Array [NuSTAR]
from

 At the Satellite Observatory, a team of international scientists discovered high-energy X-rays from five-fold supermassive black holes that were previously observed directly by clouds that are strong and difficult to penetrate. The new discovery was exhibited in the UK on July 6, 2015. from

Royal Astronomical Society [RAS' s]
National Astronomical Conference from

 Held at Venue Cymru in Liandudno, Wales.

The study was led by astronomers at Durham University in the UK, which provided new support for potential theories. from

million
from

 In the dust-covered hearts of large galaxies in the universe, more supermassive black holes lurk in insidious, fascinating secrets - but they are far from the curious observers.

Astronomer's goal from

NuSTAR
from

 The supermassive black hole hidden by nine candidates is considered to be very active in the center of its main galaxy - from

but
from

 The full range of their great activities may be covered up from the horizon.

Frightening event! Frightening event!

In the 18th century, John Michel and Pierre Simon Laplace predicted the existence of such a dark heart gravitational monster. Albert Einstein from

General relativity
from

 [1915] Then the existence of a strange object with such a deep gravitational well was predicted, so that any regrettable thing could not be swallowed too close to the waiting squat. However, the prospect from

real
from

 The presence of this gravitational animal in nature seems so outrageous, and even Einstein initially rejected the concept - even if his own calculations show that this is not the case.

In 1916, Karl Schwarzschild launched the first modern solution from

General relativity
from

 This may form a black hole. However, its interpretation as a spatial region is definitely from

No
from

 I can escape freedom, and I have not fully understood it for another 40 years. For many years, scientists have argued that black holes are only a strange problem in mathematics. It was not until the 1960s that theoretical work discovered that black holes were indeed a universal prediction. from

General relativity.

When an extremely large star collapses in the violent anger of a brilliant supernova explosion, it forms a "only" black hole of stellar mass. Supernova indicates that the life of stellar hydrogen burning is coming to an end from

Main sequence
from

 . After the black hole in this terrible stellar funeral crematorium, it can continue to gain more and more quality by eating its environment. Many scientists believe that the most inferior black hole was born by engulfing unfortunate stars, destined for gas clouds, and by merging with other types of people. Astronomers have realized that every large galaxy in the universe may have a central supermassive black hole hidden in sinister secrets. These super-large animals are dazzling and mysterious objects, largely because they apparently existed when the universe was very small.

It is widely believed that broken vortices of stars and gases will rotate into the ruthless, intense vortices of supermassive black holes, and this rotating rotating material forms a huge disc around the black hole, known as from

Accretion disk.
from

  This moving material is getting hotter, hotter, and throwing radiation, especially when it gets closer and closer to the horrible no return route. from

Event horizon.
from

  The from

Event horizon
from

 Located in the innermost area of ​​the disk.

As as the astronomers get deeper into space, they look farther and farther. This is because the farther the illuminating object is in space, the longer its roaming light reaches our telescope. There are no known signals in the universe that can travel faster than light, and the light from distant objects in the universe can be transmitted to us faster than this universal speed limit. In the primitive universe, a large number of supermassive black holes linger in the heart of the oldest and distant galaxies, showing their peculiar existence in their form. from

Quasar.
Quasar from

 Actually very dazzling from

Accretion disk
from

 Especially greedy and active super large animals. from

Quasar
from

 Yes from

vivid
from

 Young from

Active galactic nuclei [AGN]
from

 Powered by ammunition materials from from

Accretion disk.
from

  While the universe is still in its infancy, some astronomers look for cosmic objects that can ignite like a group of celestial fireflies. from

Quasar
from

 - Either from

Quasi-stellar object
from

 - Like the glowing celestial fireflies that ignited a long time ago.

In astronomy, time and distance, as well as the wavelength of the light being observed, are inextricably matched. Because light travels at a finite speed, it takes a finite amount of time to reach us, so distant objects are observed as far away. Astronomers use so-called from

Redshift -
from

 Either from

z
from

 - How long ago was the display of a particular glowing cosmic object. Measurable 1 + from

z
from

 It is the factor of the expansion of the universe - in a distant, ancient light source that first projects light into space in the era and current time, when it is finally observed. In addition, it is also a factor that is now being stretched by the expansion of the universe due to the expansion of the universe. The from

Red shift
from

 Is the spectrum of a luminescent object moving toward longer and longer wavelengths - or toward the red end of the electromagnetic spectrum as it leaves us.

Supermassive black hole and its surroundings, dazzling from

Accretion disk
from

 Yes - at least - as large as our entire solar system. These gravitational monsters are described by their heavy weight, unsatisfied hunger and messy table manners. When its external energy is finally exhausted, from

Quasar
from

 shut down. The best estimates at the moment show that most galaxies have experienced once from

Quasar
from

 In the stage of the ancient universe, they are currently superfluous, often dormant, supermassive black holes, only showing the ghost of their previous appetite. This situation may explain the evolution of supermassive black holes that plague the heart of our Milky Way. With the disappearance of supermassive black holes, our Galaxy residents have small beasts, little appetite, and only a few million, not billions of solar masses. A long time ago, it dazzled the original darkness of the universe as a brilliant thing. from

Quasar,
from

 But it is now a quiet old monster, unless in a few cases eating a carnival, and swallowing a lot of broken stars and / or broken gas, these gases are too close to the waiting squat. The black hole of the residents of the Milky Way has been dubbed from

Sagittarius A * [Sagittarius Star]
from

 In its later years, it is calm and peaceful, unless it is often feasted by its young people's never satisfied hunger - but only for a brief moment of glory.

Hidden supermassive black holes to play hide and seek!

The high-energy X-rays found in the black hole's quintet confirm that they are covered by dust and gas that are obscured. These five mysterious super-mass beasts are brighter and more active than previously thought, because they quickly and hungryly eat the environment and emit radiation of immunity.

I couldn't make such an observation before. from

NuSTAR
from

 Find astronomers in this hide-and-seek universe game. from

NuSTAR
from

 Launched in 2012, it is capable of detecting higher energy X-rays than earlier satellite observations.

Dr. George Lansbury, lead author of the study, is a graduate student from

River Astronomy Center
from

 At the University of Durham. "For a long time we all knew that there were no supermassive black holes that were blocked by dust and gas, but we suspect that there are more black holes hidden by our sight," Dr. Lansbury pointed out on July 7, 2015. from

RAS press release.

"Thanks from

NuSTAR
from

 For the first time, we were able to clearly see these hidden monsters, which are expected to exist, but were previously ignored due to their burial. Country," he continued to explain.

"Although we only detected five hidden supermassive black holes, when we infer our results throughout the universe, the predicted numbers are huge, in line with what we expect to see," Dr. Lansbury told. reporter.

"High-energy X-rays are more penetrating than low-energy X-rays, so we can see deer being buried in black holes. Black holes look blurry," Dr. Daniel Stern explained on July 7, 2015. . from

RAS press release.
from

  Dr. Stern is a scientist at the project from

NuSTAR
from

 National Aeronautics and Space Administration from

Jet Propulsion Laboratory [JPL]
from

 In Pasadena, California.

The study has been accepted for publication in from

Journal of Astrophysics.




Orignal From: Hidden supermassive black hole to play hide and seek

No comments:

Post a Comment