He revealed one of the mysteries of the Milky Way galaxy


He revealed one of the mysteries of the Milky Way galaxy


Pat Gaines

Milky Way

The group of scientists from the University of Surrey and the Institute of Astrophysics in Potsdam, Germany, explained the reason for the irony about the tape in the Milky Way.

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Discover unknown locations in the center of the Milky Way galaxy

Monthly Notices of the Royal Astronomical Society reports
That this mystery lies in the fact that different studies and follow-ups give conflicting assessments of the velocity and size of the central regions in the Milky Way.

As is known, most spiral galaxies, including ours, are large star structures centered on a band at the end of which the spiral arms of the galaxy begin. The data on the size and movement of galaxies allow the study of their nature and the understanding of the processes of their evolution. However, this does not apply to the Milky Way. Because scientists’ observation of the stars near the sun makes them conclude that the bar in our galaxy is small and rotates very quickly, while when observing the center of the galaxy, the exact opposite appears.

Scientists have proposed an explanation for this issue, as the results of their study indicate that the velocity and size change according to the location of the tape relative to the spiral arms. When it approaches it, it will accelerate and the arms will slow down. But after they “bonded”, they move like a unified body, which causes the tape to decrease in velocity and appear larger in size.

Source: Novosti


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