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Galaxies come in a variety of shapes and sizes. Some have buff, spiral arms. Others are necklace-shaped or oblong. They begin their lives rotating in an orderly fashion, but the movement of the stars eventually gets more random and less organized. Astronomers have not been able to pinpoint the reasons behind the changes, but new research poses a somewhat simple explanation–aging. As galaxies age, they tend to be more chaotic. The findings are described in a study published April 3 in Monthly Notices of the Royal Astronomical Society (MNRAS).
Galaxies come in a variety of shapes and sizes. Some have buff, spiral arms. Others are necklace-shaped or oblong. They begin their lives rotating in an orderly fashion, but the movement of the stars eventually gets more random and less organized. Astronomers have not been able to pinpoint the reasons behind the changes, but new research poses a somewhat simple explanation–aging. As galaxies age, they tend to be more chaotic. The findings are described in a study published April 3 in Monthly Notices of the Royal Astronomical Society (MNRAS).
Older galaxies are more chaotic
Posted from popsci.com
Science
Astronomy
Space
Physics
Posted 7 mo ago
Responses: 2
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