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About 2.8 billion light years, the year of light, two galactic groups deal with a tussle of space. These large structures were last collided in a billion years ago, but now it seems back to two rounds.
Galactic groups participating in SourCle are part of a larger system – called “Combined” PSZ2 G181. In a published study in one Magazine of astrophysics In April, researchers analyzed the new observations of the PSZ2 G181 that his components are preparing to interfere with each other.
Great clash between Galaxy groups is usually rarely considered rare, so European Space Agency (ESA), but repeated clashes are strangely unusual. Moreover, the total mass of PSZ2 G181 differs from other combined galaxies, other combined galaxies, which arise from collisions, other combined galaxies.
Astronomers, PSZ2 G181 individual galactic groups know a NASA due to the previous radio observations, once they crashed each other statement.
This work revealed the parentheses of radio emissions on the edge of the system. Most likely, these structures that occur as a result of initial collision one billion years ago.
This new job, led by a post-a post-a post in the center of Harvard and Smithsonian Astrophysics, also further confirms the idea of the previous clash. Researchers analyzed the new observations of the PSZ2 G181 two X-ray observers-NASA Chandra and the European Space Agency XMM-Newton. Their study probably determined the cool gas bridge, which resulted in a peeling of gas during the first collision.
Over the last billion years, two groups have been eliminated separately and now removed about 11 million years away from each other. This is the greatest separation between such structures, the NASA statement said.
However, Stroe and his colleagues found evidence to offer these galactic groups again. The team discovered three more shocks, with the previous reading of the collision reading – the second, the second, was aligned with the first early sign of the upcoming accident.
The discovery of this unique event, especially in connection with the dynamics of the combination of galactic groups related to low mass systems, is a new idea. As the researchers noted that the low-mass clusters of the mass clasts such as PSZ2 G181 are difficult, but we can discover the tip of the iceberg “by the arrival of new generation radio telescope and surveys.”
