Date: 9 months ago   Category: Markets

Traces of a space cataclysm are found


Astronomers of the University of Western Australia have explained why in the Big Magellanic Cloud (BMC) a part of stars moves counterclockwise around the center when the others move in the opposite direction. According to scientists this results from the fact that this dwarfish galaxy has absorbed other dwarfish galaxy 3-5 billion years ago. It is reported in article published in Monthly Notices of the Royal Astronomical Society: Letters.BMO belongs to Magellanic spiral galaxies which have the only spiral sleeve. She is removed from the Milky Way on 163 thousand light years and is his satellite along with the Small Magellanic Cloud (SMC), dwarfish elliptic galaxy of the constellation of the Sagittarius and dwarfish galaxy of the Canis Major. BMO contains 30 billion stars, and MMO — 1,5 billion stars. Between them there is "bridge" of gas in which star formation processes are observed. Researchers have carried out hydrodynamic modeling of process of merge of galaxies and have found out that the observed picture corresponds to the scenario of collision. Earlier was considered that the fact that BMO has absorbed a part of MMO is the reason of the abnormal movement of stars. Besides, results of a research are explained why in Big Magellanic Cloud the age gap between stars is observed, that is there are only two types of star clusters — very old and young. Explosion of formation of new stars usually happens at collision of galaxies. It is more than important news in Film of Day Telegram-channel. Subscribe!

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