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University of New Mexico

An animation showing how the orbits of stars in the Milky Way may change. In the picture you see two pairs of stars (marked in blue and red). Each couple started their life on the same path and suddenly one of the stars in the couple changed its path. The star marked in red has completed its transition to its new orbit while the star marked in blue is still moving. Photo Credit: Illustration by Dana Berry/SkyWorks Digital, Inc.; SDSS collaboration

About a third of the stars in the Milky Way have moved

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