Chinese scientists discover large wave patterns in the Milky Way

A team of Chinese researchers has identified widespread wave structures within the Milky Way galaxy, enhancing our understanding of the galaxy's three-dimensional structure and its dynamic evolution. Using data from the carbon monoxide spectral line survey, the team analyzed over 30,000 molecular clouds located approximately 26 kiloparsecs from the galaxy's center. They developed a model of the outer gaseous disk, which revealed large-scale vertical undulations resembling waves. These waves are likely caused by external gravitational disturbances from neighboring dwarf galaxies, highlighting the impact of external interactions in deforming the Milky Way.

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