Explained the mechanism of merging galaxies

17 Червня, 2022 by Коментарів немає

British astronomers from the University of Manchester were able to explain the mechanism of the merger of galaxies. In their opinion, many galaxies like the Milky Way appeared as a result of the merger of several relatives. The results of the study were published in The Astrophysical Journal.

In the course of the work, scientists analyzed various galaxies that are in close proximity to each other, or in so-called “pairs”, over the past ten billion years. It turned out that the process of merging these objects is one of the dominant ones in the appearance of new, larger galaxies. According to the calculations of experts, the average massive galaxy will survive about three more mergers within ten billion years, which will increase its mass at least twice. This method of forming new galaxies was known before, but only at a theoretical level. It was only possible to prove it in this study.

Previously, NASA’s Hubble Space Telescope captured thousands of galaxies in a new ultraviolet image as part of the CANDELS (Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey) project.

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