2024-01-19 01:01:00
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19 Jan. 2024 8:01 a.m.
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Collisions and Mergers of Galaxies It was a very powerful and amazing event. But it occurs on very slow timescales, such as the prediction that our Milky Way galaxy will collide with its closest neighbor, Andromeda (M31). But we don’t have to fear because there is still 4 billion years left before the two galaxies actually meet. Moreover, the process of colliding and merging is not fast. It may take hundreds of millions of years to achieve this. Because these collisions take a very long time due to the great distances.
Latest Hubble Space Telescope Tools of NASA, the United States, and the European Space Agency. Sent an image of the galaxy Arp 122 for study. Actually, Arp 122 consists of two galaxies: NGC 6040 is a spiral galaxy that looks twisted, crooked, and tilted. The other is LEDA 59642, a spiral galaxy that facing each other The pair were in the process of colliding. It is approximately 570 million light-years from Earth, and in the lower left corner is an elliptical galaxy named NGC 6041.
Galaxies are made up of stars, solar systems, dust, gas, and invisible dark matter. In collisions, these components They may experience large changes in the force of gravity acting on them. As time passes This would completely change the structure of two or more galaxies. This sometimes results in a single galaxy that eventually merges.
Credit : ESA/Hubble & NASA, J. Dalcanton, Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA Acknowledgement: L. Shatz
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