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وكالة الأنباء القطرية
Chinese team finds vast Milky Way ripples
For the first time, Chinese researchers have detected large-scale ripples in the outer disk of the Milky Way galaxy, through the analysis of more than 30,000 molecular clouds using spectroscopic survey data from a millimeter-wave telescope. The study revealed that these ripples are formed by wide vertical deviations resulting from bending waves caused by external gravitational disturbances. These findings aid in understanding the three-dimensional structure and dynamic evolution of the galaxy. The researchers relied on a global model that demonstrated prominent ripples in the structure, covering nearly half of the galaxy's outer disk and extending to about 26,000 light-years from the center.
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