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Astronomers spot rare objects in the Milky Way today, Tuesday, January 21, 2020 01:58 PM
These bodies look like gas, but their behavior is similar to that of stars, said Andrea Gees of the University of California, Los Angeles.
Jez explained, in a statement on the university, that her team announced in the current issue of the British journal “Nature” the discovery of four heavenly bodies that were not known until now.
This brings the number of bodies of this type to six.
The team of researchers also talks about a special layer of astronomical objects, and they indicated that the precise nature of these objects is not clear.
A group of researchers, under the supervision of Jeez, had found in 2005 the first object of this type of object, and they called it G1, and it rotated in the orbit of a giant black hole in the center of our galaxy, and is very close to it, from time to time.
In 2012, another object was discovered by researchers under the direction of Stefan Gelsmann of the German Max Planck Institute for Earth-based Physics in Garching, near Munich, and they called the G2 code, which in 2014 passed near the center of the black hole.
“At the time of the next approaching time, G2 left a truly rare imprint,” Geez said, adding: “We had seen that before, but it didn’t look very strange, until he approached the black hole and expanded.”
Jez pointed out that this offense loses a large part of its gas during which … then it turns from a crime that is not remarkable much, as long as it remains away from the black hole, to a crime that extends a lot and is deformed upon its approaching big.
The Geez team has now found four more of these bodies in the middle of the huge black hole in the center of the Milky Way, which are the bodies that they gave symbols from G3 to G6, “and we now have a group of G-bodies,” researcher Anna Ciorlo, a colleague, explained. Jeez, adding: “That is, it is not about revealing the truth about a unique event like the G2.”
Jeez suggests that these six bodies are fused together, or are double stars that still fuse together.
Although the G2 had lost its gaseous casing as it approached the black hole, it had not lost the thick dust casing inside the gas. This is evidence of the presence of asteroid inside the G2 ».
Gees justified this hypothesis that the tremendous power of the gravitational attraction of a black hole, could drive a meltdown of the double star in the G-bodies.
At the same time, according to researchers, this group of celestial bodies is likely to have an influence on the activity of the center of the black hole, by feeding the hole with the gas that it swallows, every time it passes through the hole, “where you do not find the material that is removed from it by a strong action. The tide, when a speeding pass near the center of the black hole, escapes falling into the black hole, ”explained Mark Morris, a Jiz classmate and co-author.
And when this happens, Morris added, the hole becomes able to produce enormous fiery forms, because the heat that the black hole swallows rises strongly and emits a lot of radiation, before it disappears behind the event horizon.