Artists conception shows the vicinity of the supermassive black hole in the active galaxy NGC 3783 center , in the constellation of Centaurus ( Photo: M. Kornmesser / ESO ) Astronomers working at the Very Large Telescope ( VLT ) of the European Southern Observatory ( ESO ) in Chile , gathered detailed observations of dust around the massive black hole in the active galaxy NGC 3783 center , located about 126 million years light from Earth in the constellation Centaurus . Instead find all the bright dust around the black hole, as was predicted, astronomers discovered that above and below it there is a new universe . Its pointing an article published by Sebastian Honig , University of California at Santa Barbara , USA . learn more Researchers say they have discovered new type of star Supertelescópio desert in Chile discovers factory of comets Poor Diet in sodium is key to stars live longer , says study According to the text , published in the journal Astrophysical Journal , the observations show that the dust is pushed away from the black hole like a fresh wind - surprising finding that challenges current theories and shows how black holes evolve and interact with your surroundings . Over the past 20 years , astronomers have discovered that almost all galaxies have a massive black hole at its center . Some are growing , creating in the process the most energetic objects in the universe : the active galaxy nuclei ( AGN ) . According to the data obtained , the central regions of these brilliant powers are surrounded by cosmic dust donuts that are entrained in the same way as water space form a swirl around the drain of a sink . For this reason , scientists believed that most of the infrared radiation from the AGN had originated those regions that resemble donuts . Now, however , new observations of the galaxy NGC 3783 change the astronomical scene. Although the hot dust - ranging from 700 ° C to 1000 ° C - be found in a donut , astronomers also found a large amount of dust cooler , and both above and below the main donut. The newly discovered dust forms a fresh wind out of the black hole. And this wind must play an important role in the complex relationship between the black hole and the surrounding environment . According to the article, the black hole feeds the insatiable appetite of stuff around , but the intense radiation it produces also seems to melt the material at a distance . To Hönig , it remains unclear how these two processes work together and allow the black holes grow and evolve into galaxies , but the presence of a dusty wind adds a new piece to this picture . This allows, for example, study a region as small as the distance between our Sun and its nearest neighbor, in a galaxy tens of millions of light years.
Posted on: Thu, 16 Jan 2014 15:35:22 +0000
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