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An international team of scientists has advanced the hypothesis of the collision of our Milky Way with smaller ones 8-10 billion years ago.
The Space.com website stated that the hypothesis was based on information collected by the European Space Agency. . The Russian astronomer of the University of Cambridge, Vbadily Bilokorov, told the portal that the space incident had resulted in the dispersion of the dwarf galaxy. "With regard to the Milky Way, its shape has changed dramatically, with a group of stars in the middle.The stars that were blown by the collision form a halo around the Milky Way."
The galaxy spiral is estimated at 100-120 000 light-years. According to astronomers, the number of stars is 200 to 400 billion stars.
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