Stars make a bigger mess in old galaxies, and scientists just figured out why

More evolved galaxies demonstrate a greater range of stellar motions compared to the orderly, circular orbits of stars like our sun in the Milky Way.

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Sydney ,New South Wales ,Australia ,Australian ,Scott Croom ,University Of Sydney ,Milky Way ,Galaxy Survey ,Anglo Australian Telescope ,Siding Spring Observatory ,Milky Way Galaxy ,Elliptical Galaxies ,Andom Motions ,Ther Galaxies ,Star Formation ,Environment ,Isk Galaxies ,Ircular Orbits ,Elocity Dispersion ,